What is the formula of MGBR?
Answers
The chemical formula of Magnesium Bromine MgBr₂.
As the name says MgBr, we can easily conclude that in this compound there are two elements present.
One of the elements is Magnesium which is denoted by Mg, while the other is Bromine which is denoted by Br.
Magnesium is a metal while bromine is a non-metal, the combination of both elements will be Magnesium bromide which is denoted by MgBr2, which is an ionic compound.
Magnesium bromide is a chemical compound which is formed by the combination of magnesium and bromine.
The chemical formula of Magnesium Bromine MgBr₂.
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Related Questions
The loaded cab of an elevator has a mass of 3.0 x 10 3 kg and moves 200 m up the shaft in 20 s at constant speed. At what average rate does the cable do work on the cab
Answers
The average rate at which the cable does work is 294,000 J/s.
The given parameters:
mass, m = 3000 kgheight, h = 200 mtime of motion, t = 20 sThe average rate at which the cable does work is calculated as follows;
\(P = \frac{E}{t} \\\\P = \frac{mgh}{t} \\\\P = \frac{3000 \times 9.8 \times 200}{20} \\\\P = 294,000 \ J/s\)
Thus, the average rate at which the cable does work is 294,000 J/s.
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in spiral galaxies, as you move farther away from the center of the galaxy what happens to orbital speeds? how does show the presence of dark matter in spiral galaxies?
Answers
In spiral galaxies, the orbital speeds of stars and other celestial objects change as you move farther away from the center. This phenomenon is described by what is known as the "rotation curve" of a galaxy.
According to the predictions of classical mechanics and Newtonian gravity, the orbital speeds of objects in a galaxy should decrease as you move away from the center. However, observations of spiral galaxies have shown that the orbital speeds remain relatively constant or even increase with increasing distance from the center. This means that stars and gas in the outer regions of a galaxy are moving at unexpectedly high speeds.
The observed flat or increasing rotation curves indicate that there must be additional mass present in the outer regions of the galaxy, beyond what can be accounted for by the visible matter (stars, gas, and dust). This discrepancy between the predicted and observed orbital speeds provides evidence for the presence of dark matter in spiral galaxies.
Dark matter is a hypothetical form of matter that does not emit, absorb, or reflect light, making it invisible to traditional astronomical observations. Its presence is inferred through its gravitational effects on visible matter.
In the case of spiral galaxies, the gravitational influence of dark matter is believed to contribute significantly to the total mass of the galaxy, extending beyond the visible disk. The extra mass provided by dark matter helps explain the observed high orbital speeds in the outer regions of the galaxy.
By studying the rotation curves of spiral galaxies, scientists can estimate the distribution of dark matter within them. Various models and simulations have been developed to describe the distribution and properties of dark matter in galaxies, with the aim of better understanding its nature and its role in the formation and evolution of galaxies.
It's important to note that while the evidence for dark matter is compelling, its exact nature and composition remain unknown. Scientists continue to conduct research and experiments to further investigate the properties and origin of dark matter.
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Which air is the driest
Answers
Explanation:
san po ung pagpipilian ?
Which produces more energy? Nuclear fission or nuclear fission?
Answers
Answer:
Nuclear fission
Explanation:
your so very welcome
what is the first step in creating a successful long-term goal
Answers
First consider what you want to achieve, and then commit to it. Set SMART (specific, measureable, attainable, relevant and time-bound) goals that motivate you and write them down to make them feel tangible. Then plan the steps you must take to realize your goal, and cross off each one as you work through them.
The first step in creating a successful long-term goal is to define what you want to achieve.
This involves setting a clear and specific objective that you can work towards over an extended period of time. To define your goal, start by identifying your passions, interests, and values. For example, if you are passionate about environmental conservation, your long-term goal might be to start your own nonprofit organization focused on protecting endangered species.
Once you have a general idea of what you want to achieve, it's important to make your goal SMART: Specific, Measurable, Achievable, Relevant, and Time-bound. This means breaking down your goal into smaller, actionable steps that are realistic and can be measured or evaluated.
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The brain , bones, and muscles work together to help people move. What other organs work together to support movement in the body?
A
liver and lungs
B
liver and bladder
C
heart and bladder
D
heart and lungs
Answers
What are the forces acting on the car driving to the left?
Answers
Many students of physics do not believe in centripetal ("inwards") forces. Even after completion of a thorough physics course, such students will still incorrectly believe that an object moving in a circle experiences an outward force. Perhaps the reason for adhering to this misconception stems from their experiences with riding as a passenger in automobiles and amusement park rides.
Imagine that you are a passenger in a car which is making a right-hand turn. As the car begins to take the turn to the right, you often feel as though you are sliding to the left. The car is turning to the right due to the inward force, yet you feel as though you are being forced leftward or outward. In actuality, the car is beginning its turning motion (to the right) while you continue in a straight line path. This motion can be better understood by examining the animation below.
Observe in the animation that the passenger (in blue) continues in a straight-line motion for a short period of time after the car begins to make its turn. In fact, the passenger follows a straight-line path until striking the shoulder of the driver (in red). Once striking the driver, a force is applied to the passenger to force the passenger to the right and thus complete the turn.
An inward net force is required to make a turn in a circle. This inward net force requirement is known as a centripetal force requirement. In the absence of any net force, an object in motion (such as the passenger) continues in motion in a straight line at constant speed. This is Newton's first law of motion. While the car begins to make the turn, the passenger and the seat begin to edge rightward. In a sense, the car is beginning to slide out from under the passenger. Once striking the driver, the passenger can now turn with the car and experience some circle-like motion. There is never any outward force exerted upon the passenger. The passenger is either moving straight ahead in the absence of a force or moving along a circular path in the presence of an inward-directed force.
WHAT IS THE VOLUME OF A 5.71 G PLASTIC CUBE THAT HAS A DENSITY OF 1.15 G/CM3
Answers
Answer:4.96\(cm^{3}\)
Explanation: Density is \(\frac{Mass}{Volume}\)
so you are now looking for volume.
Volume= Density x Mass so
Volume = (5.78g) x(1.15g/ \(cm^{3} \frac{x}{y}\)) =4.96\(cm^{3}\)
In going from one city to another, a car whose driver tends to get lost goes 30km North, 50km west, and 20km southeast Approximately how far apart are the cities?
Answers
ANSWER:
39.21 km
STEP-BY-STEP EXPLANATION:
To determine the answer we track each move just like this:
Coordinates at the start (city A): (0, 0)
Coordinates after going 30 km north: (0, 30)
Coordinates after going 50 km west: (-50, 30)
Southeast is a move down and to the right of 45°, so we calculate at each coordinate, like this:
\(\begin{gathered} d_e=20\cdot\cos45\degree=10\sqrt{2} \\ \\ d_s=20\cdot\sin45\operatorname{\degree}=10\sqrt{2} \\ \\ \text{ Therefore:} \\ \\ x=-50+10\sqrt{2}=-35.86 \\ \\ y=30-10\sqrt{2}=15.86 \\ \\ \text{ Coordinates at the start \lparen city B\rparen: \lparen-35.86, 15.86\rparen} \end{gathered}\)We calculate the distance between both points as follows:
\(\begin{gathered} d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\ \\ \text{ we replacing} \\ \\ d=\sqrt{\left(-35.86-0\right)^2+\left(15.86-0\right)^2} \\ \\ d=\sqrt{1285.9396+251.5396}=\sqrt{1537.4792} \\ \\ d=39.21\text{ km} \end{gathered}\)The distance between both cities is 39.21 km
What is the resistance of a 150 W light bulb running on a 120 V circuit 
Answers
Answer:
96 Ω
Explanation:
Given:
U = 120 V
P = 150 W
Find: R - ?
\(r = \frac{ {u}^{2} }{p} \)
\(r = \frac{ {120}^{2} }{150} = 96 \: Ω\)
UV radiation with a 200 nm wavelength shines on a gold electrode in a photoelectric cell. What is the maximum kinetic energy, in eV, of photoelectrons ejected from the gold
Answers
For a UV radiation with a 200 nm wavelength is mathematically given as the maximum kinetic energy, in eV, of photoelectrons ejected from the gold
K.E=1.779*10^{19}J
K.E=1.112ev
What is the maximum kinetic energy, in eV, of photoelectrons ejected from the gold?
Generally, the equation for the photo electric equation is mathematically given as
\(hc/\lambda=K.E+\phi\)
Therefore
K.E=(6.626*10^{-34}*3*10^8/2*10^{-7})-5.1*1.6*10^{-19}
K.E=1.779*10^{19}J
In conclusion, in eV, of photoelectrons ejected from the gold
K.E=1.112ev
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which truth did isaac newton’s investigations of gravity explain? jupiter has more moons than earth. jupiter has more moons than earth. the sun is more massive than earth. the sun is more massive than earth. gravity acts on all objects in the universe. gravity acts on all objects in the universe. earth is not the center of the universe. earth is not the center of the universe.
Answers
Newton's investigations of gravity explain the truth that Jupiter has more moons than Earth.
The fact that Jupiter has more moons than Earth was first discovered by Galileo Galilei in 1610, and it was later confirmed by Newton. In addition to having more moons, it is also thought that Jupiter may be home to some of the most powerful magnetic fields in the solar system.
What was explained by Isaac Newton's law of gravity?Every particle in the cosmos attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers, according to Newton's law of universal gravitation.
Thus, the equation for universal gravity has the following structure:
\({\displaystyle F=G{\frac {m_{1}m_{2}}{r^{2}}}}{\displaystyle\)
where r is the distance between the centers of the two objects' masses, m1 and m2 are their respective masses, G is the gravitational constant, and F is the gravitational force acting between them.
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The correct answer is; Gravity acts on all objects in the universe.
The answer above is incorrect…
People often use simple machines like pulleys, levers, and ramps because they say the machine “makes the work easier.” Which of the following statements about simple machines is true?
a.
Simple machines often reduce the amount of work to move an object.
b.
Simple machines often reduce the energy required to move an object.
c.
Simple machines often reduce the power consumed when moving an object.
d.
Simple machines often reduce the force needed to move an object.
Answers
Hope this help
Determine the maximum moment for the following beam to the nearest 0.1 {kN}-{m} . \[ {w}=3.6 {kN} / {m} \] \[ A B=101 {~m} \] \[ B C=2 m \]
Answers
The maximum moment for the beam is approximately 1.8 kN-m.
To determine the maximum moment of the beam, we need to calculate the point where the moment is at its highest. The beam has two segments: AB with a length of 101 m and BC with a length of 2 m. The distributed load on the beam is 3.6 kN/m.
Step 1: Calculate the maximum moment at point B.
The maximum moment occurs at the midpoint of BC, which is 1 m from B. To find the maximum moment, we need to determine the reaction forces at point B. Since the beam is in equilibrium, the sum of the moments about any point on the beam is zero.
Step 2: Calculate the reaction forces at B.
Considering the clockwise moments as positive, the moment caused by the distributed load on AB is (3.6 kN/m) × (101 m / 2) = 182.8 kN-m. The moment caused by the reaction force at B is (RB) × (2 m). Therefore, we can write the equation as follows:
(182.8 kN-m) + (RB) × (2 m) = 0
Simplifying the equation, we find that RB = -91.4 kN.
Step 3: Calculate the maximum moment at point B.
To find the maximum moment, we need to consider the moment caused by the distributed load on AB and the moment caused by the reaction force at B. Since the distributed load on AB is symmetric, the moment caused by the load at B will be equal to half of the moment caused by the load on AB. Therefore, the maximum moment at B is:
(182.8 kN-m) + (RB) × (2 m) = 182.8 kN-m + (-91.4 kN) × (2 m) = 182.8 kN-m - 182.8 kN-m = 0 kN-m
Hence, the maximum moment for the given beam is 14.4 kN-m.
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19. The continuity equation for compressible liquid can be written as
Answers
Answer:The continuity equation for a compressible liquid is a mathematical expression that relates the changes in fluid density, velocity, and volume to the changes in time. This equation can be written as:
∂ρ/∂t + (ρv)•∇ = 0
where:
ρ = fluid density
v = fluid velocity
∂/∂t = partial derivative with respect to time
∇ = del operator
The continuity equation expresses the principle of mass conservation, stating that the rate of change of fluid density in a fixed volume must be equal to the rate of flow of fluid into or out of that volume. This equation is commonly used in fluid dynamics to study the behavior of liquids and gases in various applications, such as in pipelines, pumps, valves, and compressors.
Explanation:
Which of the following is an example of potential energy?
A kite flying in the sky.
B dog chasing his tail.
C book sitting on a shelf.
D basketball player running down the court.
Answers
Answer:
C book sitting on a shelf.
Explanation:
An object can store energy as the result of its position. For example, the heavy ball of a demolition machine is storing energy when it is held at an elevated position
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5. If an object has an acceleration of 0 m/s2, then one can be sure that the object is not ____.
a. moving
b. changing position
c. changing velocity
6. If car A passes car B, then car A must be ____.
a. accelerating.
b. accelerating at a greater rate than car B.
c. moving faster than car B and accelerating more than car B.
d. moving faster than car B, but not necessarily accelerating.
7. Which one of the following is NOT consistent with a car which is accelerating?
a. A car is moving with an increasing speed.
b. A car is moving with a decreasing speed.
c. A car is moving at a high speed.
d. A car is changing direction.
8. A fullback is running down the football field in a straight line. He starts at the 0-yard line at 0 seconds. At 1 second, he is on the 10-yard line; at 2 seconds, he is on the 20-yard line; at 3 seconds, he is on the 30-yard line; and at 4 seconds, he is on the 40-yard line. This is evidence that
a. he is accelerating
b. he is covering a greater distance in each consecutive second.
c. he is moving with a constant speed (on average).
Answers
Answer: c
Explanation: for #5 it can still be moving, just at a constant speed; therefore, it will be c.
If an object has an acceleration of 0 m/s2, then one can be sure that the object is not changing velocity.
If car A passes car B, then car A must be moving faster than car B, but not necessarily accelerating.
The not consistent with a car that is accelerating is a car is moving at a high speed.
A fullback is running down the football field in a straight line. He starts at the 0-yard line at 0 seconds. At 1 second, he is on the 10-yard line; at 2 seconds, he is on the 20-yard line; at 3 seconds, he is on the 30-yard line; and at 4 seconds, he is on the 40-yard line. This is evidence that he is moving with a constant speed (on average).
What is Acceleration?Acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities (in that they have magnitude and direction). Speed is the distance covered in a unit of time while acceleration is the rate of change in speed. The unit of speed in the metric system is meters per second (m/s) while that of acceleration is meters per second squared (m/s2). Speed is a scalar quantity while acceleration is a vector quantity.To learn more about acceleration and speed, refer to: https://brainly.com/question/25086037
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What results from the human farmers visit to Animal Farm?.
Answers
The farmers worry that the livestock will also rebel. The efficiency with which the farm is operated impresses the farmers.
The farmers worry that the livestock will also rebel. The efficiency with which the farm is operated impresses the farmers. The farmers promise to put the same kinds of processes in place. The farmers make the decision to become active members of the farm. The animals' mistrust of the farmers angers the farmers.
After a two-day episode in which the farmhands neglected and malnourished the animals, the uprising begins. As soon as the cows kick down the barn door, the rest of the animals go mad. The animals run away every person from the farm as Jones tries to whip them, starting the uprising.
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a chemical reaction a temperature change may occur because of the breaking or formation of chemical bonds that release excess energy. Since there is a change in temperature why wouldn't this reaction be considered a physical change instead of a chemical change ?
Answers
Answer:
Explanation:
in some reactions we see this as a change in the temperature. ... The study of energy changes (particularly heat) in chemical reactions is known as ... When a chemical reaction occurs, bonds in the reactants break, while new bonds form in the product. ... Physical changes can also be classified as exothermic or endothermic.
The absolute brightness of a star depends on its _____.
a. size and temperature
b. distance an temperature
c. color and temperature
d. distance and color
Answers
Option A. The absolute brightness of a star depends on its size and temperature
What is the absolute brightness of a star
The absolute brightness of a star is the amount of light it emits at a standard distance from Earth, regardless of how far away it actually is.
The size and temperature of a star are the primary factors that determine its absolute brightness. The size of the star affects the amount of light it emits, with larger stars emitting more light. The temperature of a star affects the color of the light it emits, with hotter stars emitting bluer light and cooler stars emitting redder light. Both of these factors play a significant role in determining a star's absolute brightness.
Distance and color can also affect a star's brightness, but in different ways. The distance of a star affects its apparent brightness as seen from Earth, but not its absolute brightness. The color of a star can provide information about its temperature and composition, but does not directly determine its absolute brightness.
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List 3 properties of waves
Answers
Answer:
1.wavelength
Explanation:
2. Frequency
3.Speed
4.Amplitude
Answer:
Wave is the propagation of disturbance from one place to another in an organised manner. Waves can be mechanical waves or non-mechanical waves. Mechanical waves like sound waves, require a medium to propagate. While electromagnetic waves are non-mechanical waves that do not require a medium and can travel through a vacuum.
If the particles of the medium move in a direction perpendicular to the wave propagation then the waves are called transverse waves. Longitudinal waves are waves in which the particles of the medium vibrate parallel to the direction of wave propagation.
5 Important Properties of Waves
The main properties of waves are as follows –
Property 1:Amplitude
The maximum displacement of the wave from the mean position is called the amplitude of the wave. It is the maximum height from the centre line to the crest or the trough. The crest is the highest point of the wave and the trough is the lowest point of the wave. Amplitude is measured in metres.
Property 2: Frequency
The number of vibrations passing a fixed point in a given amount of time is called frequency. The unit of frequency is Hertz.
Property 3: Wavelength
Wavelength is the distance between two identical points (adjacent crests or troughs). It is measured in metres. Frequency and wavelength are inversely proportional to each other.
Property 4: Time Period
The time taken by a complete wave to pass through a particular point is called the time period. The time period is measured in seconds. The time period is the reciprocal of the frequency.
Property 5: Speed
For a wave, speed is the distance travelled by a particular point on the wave in the given interval of time. Speed is measured in metres per second.
explain the coin (guinea) and father experiment
Answers
Answer:
A vacuum was created in a glass tube by means of a pump. A feather and a gold coin (a guinea) placed inside the tube were dropped at the same time. The two bodies, despite their very different weights, reached the base of the tube together.
Explanation:
A coin is made of ______
Answers
Answer:
coins made with the combination of copper zinc and Nickel
A cloth is made of fabrics
A towel is made from cotton
an umbrella is made up of fiberglass
a sweater is made up of wool
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Can someone helpppp plsssss
(this is on motion graphs)
Answers
Answer:
Only at point a
Explanation:
If the velocity is greater than zero, than the object must be moving.
this is a test a b c d e f g h i j k l m n o p
Answers
Answer:
???????????????????????????????????????
Explanation:
Answer:
q r s t u v w x y z
Explanation:
An airplane increases its speed at the average rate of 15 m/s². How much time does it take to increase its speed from 100 m/s to 180 m/s? A) 17 s B) 0.058 s C) 5.3 s D) 0.25 s
Answers
Answer:
C - 5.3s
Explanation:
a = v - u / t
so,
t = v - u / a
t = 180 - 100 / 15
t = 5.3s
In Fig. 4.6, p1 and p2 are (perfect) dipoles a distance r apart. What is the torque on p1 due to p2?What is the torque on p2 due to p1? [In each case, I want the torque on the dipole about its own center. If it bothers you that the answers are not equal and opposite, see Prob. 4.29.]Reference prob 4.29
(a) For the configuration in Prob. 4.5, calculate the force on p2 due to p1, and the force on p1 due to p2. Are the answers consistent with Newton’s third law?
(b) Find the total torque on p2 with respect to the center of p1, and compare it with the torque on p1 about that same point. [Hint: combine your answer to (a) with the result of Prob. 4.5.]
Answers
(a) The torque and the force will be \(\tau_2 = \dfrac{-2kp_1p_2pr} { r^3}\) and \(F_1 = \dfrac{6kp_1p2r} { r^5}\)respectively.
(b) The total torque is\(\tau_3 = p_2 \times E = p_2 \times (k (\dfrac{2p_2} { (2r)^3}))\)
How to determine the force and the torque?To determine the torque on dipole p₁ due to p₂, we can use the formula for the torque on a dipole in an external electric field, which is given by:
τ = p x E
where τ is the torque, p is the dipole moment, and E is the electric field. In this case, we are interested in the torque on p1 due to the electric field produced by p₂, which is given by:
\(E = k (\dfrac{2p_2} { r^3})\)
where k is the Coulomb constant, p₂ is the dipole moment of p₂, and r is the distance between the dipoles. The direction of the electric field is from p₂ to p₁.
Part (a),
Substituting this into the formula for torque, we get:
\(\tau_1 = p_1 \times E = p_1 \times (k\dfrac{2p_2} { r^3}))\)
where τ₁ is the torque on p1 due to p₂. Since p₁ and p₂ are parallel, their cross-product is simply the magnitude of the dipole moment times the distance between them, which is pr. Therefore, we can write:
\(\tau _1 = p_1p_r (k\dfrac{ 2p_2} { r^3}))\)
Simplifying this expression, we get:
\(\tau _1 = \dfrac{2kp_1p_2p_r }{r^3}\)
Similarly, the torque on p₂ due to p₁ is given by:
\(\tau_2 = p_2 \times E = p_2 \times (k\dfrac{ 2p_1} { r^3}))\)
where the direction of the electric field is from p₁ to p₂. Using the same logic as above, we can write:
\(\tau_2 = \dfrac{-2kp_1p_2p_r} { r^3}\)
Part (b),
To find the total torque on p₂ with respect to the center of p₁, we can combine the torque due to p₁ with the torque due to the external electric field produced by p₂. Using the superposition principle, the electric field produced by p₂ at the center of p₁ is given by:
\(E = k (\dfrac{2p_2} { (2r)^3}\)
where 2r is the distance between the center of p₁ and p₂. The direction of the electric field is from p₂ to the center of p₁. The torque on p₂ due to this electric field is given by:
\(\tau_3 = p_2 \times E = p_2 \times (k \dfrac{2p_2} { (2r)^3})\)
where the cross-product is taken with respect to the center of p₁.
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Any planet that you have NOT crossed out above should have a Magnetic Field. Circle any planet above that yoa have NOT crossed out. Do the data in Table 7.3 support your choice(s)? lio 1 No (circle one) TUTORIAL REVIEW QUESTIONS 1. What is (are) the main factor(s) that affect(s) the amount and duration of geological activity on a terrestrial planet? 2. What is (are) the main factor(s) that affect(s) atmospheric conditions on a terrestrial planet? 3. The moons of the giant Jovian planets are small rocky-metal bodies that are, at the largest, about the size of Mercury (but most are smaller). Based on this and what you have learned about the factors that affect geologic activity and atmospheres on similar objects (Terrestrial planets), what geologic and atmospheric conditions would you expect to find on the surface of a typical Jovian moon?
Answers
The main factor that affects the amount and duration of geological activity on a terrestrial planet is its internal heat. This heat is generated through various processes such as radioactive decay and residual heat from planetary formation.
The presence of a molten core and active mantle circulation contributes to geological activity, including tectonic plate movements, volcanic eruptions, and mountain building. Other factors like the planet's size, composition, and distance from the Sun can also influence geological activity to some extent.
The main factors that affect atmospheric conditions on a terrestrial planet are its distance from the Sun, the composition of its atmosphere, and the presence of greenhouse gases. The proximity to the Sun determines the amount of solar energy received, which affects temperature and weather patterns. The composition of the atmosphere, including the presence of gases like oxygen, nitrogen, carbon dioxide, and water vapor, determines the planet's climate and the ability to support life. Greenhouse gases trap heat in the atmosphere, contributing to the greenhouse effect and influencing temperature regulation.
Based on what we know about the factors that affect geologic activity and atmospheres on terrestrial planets, we can expect that typical Jovian moons, being small rocky-metal bodies, would have limited geological activity and thin atmospheres, if any. The smaller size of these moons compared to terrestrial planets means that they have a lower heat-producing capability and less internal energy. Additionally, their lower gravitational forces make it challenging to retain substantial atmospheres. While some Jovian moons may have evidence of geological activity, such as cryovolcanism or tidal heating, they generally exhibit less dynamic geologic and atmospheric conditions compared to larger terrestrial planets.
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Correct answer will get brainliest
Answers
Answer:
its frequency stays the same
Explanation:
the wavelength is shorter
The angular velocity of a flywheel obeys the equa tion w(1) A Br2, where t is in seconds and A and B are con stants having numerical values 2.75 (for A) and 1.50 (for B). (a) What are the units of A and B if w, is in rad/s
Answers
Answer:
\(A \to rad/s\)
\(B \to rad/s^3\)
Explanation:
\(\omega_z(t)=A + Bt^2\)
Required
The units of A and B
From the question, we understand that:
\(\omega_z(t) \to rad/s\)
This implies that each of \(A\) and \(Bt^2\) will have the same unit as \(\omega_z(t)\)
So, we have:
\(A \to rad/s\)
\(Bt^2 \to rad/s\)
The unit of t is (s); So, the expression becomes
\(B * s^2 \to rad/s\)
Divide both sides by \(s^2\)
\(B \to \frac{rad/s}{s^2}\)
\(B \to rad/s^3\)