As a result, the axle exerts a torque of 29.431Nm (or 29.431 N m) in a clockwise direction.
The difference between the moments of the applied forces determines the necessary torque at the axle.
19.62 Nm of torque is needed in a counterclockwise direction.
Reasons:
The parameters listed are;
The disk weighs 5.0 kg.
Axle location equals half the disk's radius
Disk diameter, D = 40 cm = 0.4 m
15 kg applied mass at 0.1 meters from the axle
10 kilogram applied mass at 0.3 meters from the axle
Counterclockwise moment is equal to 14.715 Nm for 15 kg, 0.1 m, and 9.81 m/s2.
+ Clockwise moment minus counterclockwise moment
τ + 14.715 N·m = 34.335 N·m
Required torque is equal to 34.335 Nm minus 14.715 Nm, or 19.62 Nm.
Needed torque is 19.62 Nm in the anticlockwise direction.
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A ball with a negative initial velocity slows down as it rolls down on a straight path is the ball’s acceleration positive or negative?
Answer:
positive acceleration.
Explanation:
As its slowing down gradually, its positive acceleration. When the ball slows down, its acceleration vector is in the opposite direction of its motion. Therefore positive acceleration.
how much would you weigh on an imaginary planet that has no gravitational force?
0kg
If the gravitational pull is zero and I multiply by mass I get a zero
With the aid of diagram(s), explain the configuration of a tensile force measurement using strain gauge (without bridge). Derive the relationship between the change in resistance and the tensile force, P. With the derived relationship, determine the change in resistance for a strain gauge that is installed on a beam that is being pulled axially by a 50 kN tensile force. Given that for the strain gauge, F = 2, R = 1200, and for the beam, E = 200 10 kNm 2, width = 5cm and thickness = 1cm.
In a tensile force measurement using a strain gauge, the strain gauge is typically attached to the surface of the material experiencing the tensile force. The strain gauge is a resistive sensor that changes its electrical resistance in response to the deformation or strain of the material.
When a tensile force is applied to the material, it causes the material to deform. This deformation results in a change in the length and cross-sectional area of the material. The strain gauge, being bonded to the surface of the material, also experiences this deformation, which causes a change in its resistance.
The relationship between the change in resistance (∆R) and the tensile force (P) can be derived using the concept of strain and the gauge factor (GF) of the strain gauge. The gauge factor is a constant that represents the sensitivity of the strain gauge and is typically provided by the manufacturer.
The relationship is given by the equation:
∆R = GF * R * ε
Where:
∆R is the change in resistance of the strain gauge,
GF is the gauge factor of the strain gauge,
R is the initial resistance of the strain gauge,
ε is the strain experienced by the material.
To determine the change in resistance for a strain gauge installed on a beam being pulled axially by a 50 kN tensile force, additional information is required. Specifically, the length of the beam and the modulus of elasticity (E) of the material. With this information, the strain (ε) can be calculated using the equation
ε = δL / L
Where:
δL is the change in length of the beam,
L is the initial length of the beam.
Once the strain is determined, the change in resistance can be calculated using the derived relationship ∆R = GF * R * ε, where GF and R are given as 2 and 1200, respectively.
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Suppose wire X and wire Y are made of different materials, and have different lengths and cross-sectional areas. What is the ratio of the resistance of wire X to the resistance of wire Y?
The length of wire X is one fifth the length of wire Y.
The radius of wire X is one third the radius of wire Y.
The resistivity of the material of wire X is half the resistivity of the material of wire
9:10
3:10
10:9
10:3
Answer: 9:10
Explanation: I took the same assignment lol and i can assure you that its 9:10
What is responsible for Earth's seasons?
A. The Earth's proximity to the sun
B.The Earth rotating on its axis
C.The Earth revolving around the sun
D.The Sun emitting different intensities of light at different times of year
Answer:
I would say C
Explanation:
seasons are cause by the tilt in the Earths axis of rotation as it revolves around the sun.
What is the meaning of life
Answer:
The meaning of life, or the answer to the question: "What is the meaning of life?", pertains to the significance of living or existence in general. Many other related questions include: "Why are we here?", "What is life all about?", or "What is the purpose of existence?"
A large beach ball and a small baseball have a mass of 0.5 kg each. They are dropped at the same time from a flying helicopter. After a certain time t each of the two balls is falling down at its terminal velocity. What is the relation between the forces R of air resistance acting on each ball at time t?
A) the air resistance on the beach ball is greater than the air resistance on the small baseball.
B) the air resistance on the beach ball is smaller than the air resistance on the small baseball.
C)both air resistances are equal
D) we cannot tell
Which form of electromagnetic radiation produces the warmth one feels when standing in front of a campfire?.
———PLEASE HELP——— I NEED THE ANSWERS (ILL GIVE BRAINLIST)
Answer:
mountains, earthquakes, tsunamis
Explanation:
What is the kinetic energy of a 0.150 kg
object moving at a velocity of 100m/s?
Answer:
750J
Explanation:
Given parameters:
Mass of the object = 0.15kg
Velocity of the object = 100m/s
Unknown:
Kinetic energy of the body = ?
Solution:
The kinetic energy is the energy due to the motion of a body. It is mathematically expressed as;
K.E = \(\frac{1}{2}\) m v²
m is the mass of the body
v is the velocity
Now insert the parameters and solve;
K.E = \(\frac{1}{2}\) x 0.15 x 100² = 750J
/
James is investigating the germination of bean seeds. He will plant 30 bean seeds
each in three identical 30-centimeter-by-30-centimeter square containers and plans
to give the same amount of sunlight and water to each container. He will place each
container in a different room, with each room at a different temperature. Which of
these hypotheses is the most appropriate for this research project?
If the size of the container increases, then the number of seeds that germinate
will increase.
If the temperature of the room decreases, then the number of seeds that
germinate will decrease.
o If the amount of water given to the seeds increases, then the number of seeds
that germinate will increase.
If the number of seeds planted in the container increases, then the number of
seeds that germinate will decrease.
Answer:
The amount of sunlight
Explanation:
The sun is independent but the plants are dependent on the sunlight
What characteristics of the solar system would have to be known or calculated in order to send a
probe to a distant planet, such as Jupiter?
a. the effects due to the light from the distant stars
b. the effects due to the air in the solar system
c. the effects due to the gravity from the other planets
d. the effects due to the cosmic microwave background radiation
Answer:
A
Explanation:
The effects due to light from distant stars
The characteristics of the solar system would have to be known or calculated in order to send a probe to a distant planet, such as Jupiter, due to the effects of the gravity from the other planets. Hence, option C is the correct answer.
When sending a probe to a distant planet, such as Jupiter, one of the critical factors that would have to be known or calculated is the effects due to the gravity from the other planets in the solar system. The gravitational interactions between the planets can significantly influence the trajectory and path of the probe during its journey. Accurate calculations are necessary to ensure that the probe's trajectory is properly planned and adjusted to reach its destination with precision. Hence, option C is the correct answer.
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Which two concepts are Newton's laws based on?
Question 2 options:
inertia and gravity
inertia and force
energy and momentum
acceleration and velocity
Please help I have no clue.
Answer:
concepts of inertia and gravity
Which is true of oxidation? PLS HELP FAST and thank you!
Choices:
A it is a physical process
B no changes occur in the makeup of rock
C rocks weather at different rate
D water freezes in cracks in a rock
Answer:The Answer Is D
Explanation:
A bus traveling at a speed of 50 km/h has a momentum of 180,345
kg.m/s. What is the mass of the bus?
The mass of the truck is 12,974.4kg .
Describe bulk in plain terms.As a measure of inertia, which is a fundamental characteristic of all matter, mass is used in physics. Effectively, it is the resistance a body of matter offers to a change in its speed or position as a result of the application of a force.
An object's mass is what?Measures a substance's resistance to acceleration in physics. A measure of an object's mass is roughly equivalent to counting the atoms that make up the object. The kilogram serves as the fundamental mass unit. Mass multiplied by the gravitational acceleration equals weight.
50km/h =50×5/18 m/s= 13.88 = 13.9
momentum (p)=180,345 kg.m/s
P=mv
180,345= m X 13.9
m = 180345/13.9
m = 12,974.46
m = 12,974.4
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Do you always need
more than one reactant
or more than one
product to have a
chemical reaction?
Answer:
no
Explanation:
Six identical capacitors with capacitance C are connected as shown in FIGURE P26.60.What is the equivalent capacitance of these six capacitors?What is the potential difference between points a and b?
The capacitors in Figure P26.60 are connected in a series-parallel configuration. The two capacitors on the left and right are in parallel with each other, and their equivalent capacitance is C+ C = 2C. This equivalent capacitor is in series with the two capacitors in the middle, which are also in parallel with each other.
The equivalent capacitance of the two middle capacitors is also 2C. Therefore, the equivalent capacitance of all six capacitors is the sum of the two equivalent capacitors, which is 4C.
To find the potential difference between points a and b, we can use the formula V = Q/C, where V is the potential difference, Q is the charge on the capacitors, and C is the equivalent capacitance. Since the capacitors are in a series-parallel configuration, they all have the same charge. We can use the formula Q = CV, where C is the capacitance of each capacitor. Substituting this into the first formula, we get V = Q/C = (6C)V/4C = (3/2)V. Therefore, the potential difference between points a and b is 3/2 times the potential difference across each capacitor, which is the same as saying it is 3/2 times the voltage drop across the two middle capacitors.
To find the equivalent capacitance of the six identical capacitors, we will first examine how they are connected. In the given scenario, we can assume that the capacitors are connected in both series and parallel combinations.
Step 1: Identify the parallel and series connections.
First, let's look at capacitors C1, C2, and C3. These three are connected in series. Similarly, capacitors C4, C5, and C6 are also connected in series.
Step 2: Find the equivalent capacitance for the series connections.
For capacitors in series, the equivalent capacitance (Ceq_series) can be found using the formula:
1/Ceq_series = 1/C1 + 1/C2 + 1/C3
Since all capacitors have the same capacitance (C), the formula becomes:
1/Ceq_series = 3/C
Ceq_series = C/3
Step 3: Combine the equivalent capacitances in parallel.
Now we have two equivalent capacitances (C/3) connected in parallel. For capacitors in parallel, the equivalent capacitance (Ceq_parallel) can be found using the formula:
Ceq_parallel = Ceq1 + Ceq2
Ceq_parallel = (C/3) + (C/3)
Ceq_parallel = 2C/3
The equivalent capacitance of the six capacitors is 2C/3. Since no information about the applied voltage was given, we cannot determine the potential difference between points a and b.
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A 1.20-kilogram frog is at rest on the bank surrounding a pond of water. As the frog leaps from the bank, the magnitude of the acceleration of the frog is 3.0 meters per second2 . Calculate the magnitude of the net force exerted on the frog as it leaps.
Force is the product of mass and acceleration, the magnitude of the net force exerted on the frog as it leaps is 3.6 N
What is Force ?Force can be simply defined as a pull or push. It is the product of mass and acceleration. And it is measured in Newton.
Given that a 1.20-kilogram frog is at rest on the bank surrounding a pond of water. As the frog leaps from the bank, the magnitude of the acceleration of the frog is 3.0 m/s² . The magnitude of the net force exerted on the frog as it leaps will be
F = ma
Where
m = 1.2 Kga = 3 m/s²Substitute the two parameters into the formula.
F = 1.2 × 3
F = 3.6 N
Therefore, the magnitude of the net force exerted on the frog as it leaps is 3.6 N
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two charged spheres are 7.93 cm c m apart. they are moved, and the force on each of them is found to have been tripled. How far apart are they now?
When the force on two charged spheres is tripled, the distance between them becomes approximately 3.16 cm.
Let's denote the initial distance between the charged spheres as \($d_1$\) and the final distance as \($d_2$\). According to Coulomb's law, the force between two charged spheres is inversely proportional to the square of the distance between them.
The relationship between the forces and distances can be expressed as:
\(\[\frac{F_2}{F_1} = \left(\frac{d_1}{d_2}\right)^2\]\)
where \($F_1$\) is the initial force and \($F_2$\) is the final force. Given that the force is tripled, we have:
\(\[\frac{3F_1}{F_1} = \left(\frac{d_1}{d_2}\right)^2\]\)
Simplifying the equation, we get:
\(\[3 = \left(\frac{d_1}{d_2}\right)^2\]\)
Taking the square root of both sides, we find:
\(\[\sqrt{3} = \frac{d_1}{d_2}\]\)
Rearranging the equation to solve for \($d_2$\), we have:
\(\[d_2 = \frac{d_1}{\sqrt{3}}\]\)
Substituting the initial distance of \($d_1 = 7.93$\) cm, we can calculate the final distance \($d_2$\):
\(\[d_2 = \frac{7.93}{\sqrt{3}} \approx 3.16 \text{ cm}\]\)
Therefore, when the force on each charged sphere is tripled, the distance between them becomes approximately 3.16 cm.
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The Sankey diagram below shows the energy transfers in a computer. 100 J of energy are input. It is carried to the computer by
What one word completes the sentence?
what determines an atom identity
a. electrons
b. protons
c. neutrons
d. atomic mass
Answer:
atomic mass
Explanation:
the identify of the atom is determined by the number of protons
Why does my ferret go to sleep when I rub his ears?
And why is he nuts?
Answer:
Probably because he knows that you are with him and it is soothing to him.
Because he is a ferret and ferrets are crazy.
Explanation:
What is the frequency of a wave?
A. the distance from the beginning to the end of a cycle
B. the amount of cycles that occur in a given time
C. the distance traveled by the wave during one full cycle
D. the amount of time that one full cycle takes
I thInk It's B but I don't know
The number of repetitions that take place during a period of time determines a wave's frequency. It is expressed in cycles per second, or Hertz (Hz), a unit of measurement.
What is the equation for a wave's frequency?If the wave's radius and speed are known, the frequency of the wave can be calculated using the equation f=v f = v, where is the wavelength in metres and v is the wave speed in m/s.
What is a wave's frequency?Frequency is the number of waves that pass through a fixed place in a predetermined amount of time. As a result, a pulse that lasts for half a second has a frequency of 2 seconds per pulse. If it takes 1/100 of an hour, the figure is 100 times per hour.
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Which option best describes the increase in pressure when the volume of a plastic bottle decreases?
by a factor of 10
uneven
uniform
not at all
Answer:
B) uniform
Explanation:
We can solve this problem by using Boyle's law, which states that:
For a constant mass of an ideal gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume.
Mathematically:
where
p is the pressure of the gas
V is its volume
If we apply the equation to the bottle in the problem, we see that:
- when the volume of the bottle (and therefore, of the gas inside) decreases, than the pressure will increase
- viceversa, when the volume of the bottle increases, the pressure will decrease
The amount by which the pressure increases is inversely proportional to the decrease in volume, so the answer depends on how the volume of the bottle decreases: however, if the volume of the bottle decreases uniformly, then we can say that the pressure inside the bottle will also increases uniformly.
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An increase in pressure of a plastic bottle uniformly decreases by a factor of ten when the volume decreases.
What is pressure?Pressure is defined as the force applied on an object perpendicular to it's surface per unit area over which it is distributed.Gauge pressure is a pressure which is related with the ambient pressure.
There are various units by which pressure is expressed most of which are derived units which are obtained from unit of force divided by unit of area . The SI unit of pressure is pascal .
It is a scalar quantity which is related to the vector area element with a normal force acting on it.It is distributed over solid boundaries and across arbitary sections of fluid normal to the boundaries at every point.Pressure and volume of gas are inversely proportional.
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People under going physical therapy after an injury often find it helpful to perform exercise in water? Why?
(No links please)
Fig. 3 shows a CS amplifier with gm = 1 mA/V, to = 200 k2, Cgs=1pF, and Cgd=0.5 pF. Find the upper 3-dB frequency fit and the frequency of the transmission zero for high frequency response. (10pt) Ca 1 V₁₂ Cor 1F 200k 200 47MO ← Ve Fig.3 10k0 C₂1
Upper 3-dB frequency cutoff (fH) ≈ 1.06 MHz, and frequency of the transmission zero (fz) ≈ 1.59 MHz.
What are the upper 3-dB frequency cutoff and the frequency of the transmission zero for the given CS amplifier circuit with specific parameters?In the given circuit, a common-source (CS) amplifier is depicted. It has certain parameters, including the transconductance (gm) of 1 mA/V, output resistance (ro) of 200 kΩ, gate-to-source capacitance (Cgs) of 1 pF, and gate-to-drain capacitance (Cgd) of 0.5 pF.
The objective is to determine two important frequencies: the upper 3-dB frequency cutoff and the frequency of the transmission zero. These frequencies are crucial for understanding the high-frequency response characteristics of the amplifier.
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80 POINTS!!! How do I find the strength of the drag? I have tried inputting 3957, 7509, 60146.4 and theyre all wrong. Please show work!!
Answer:
The strength of drag can be found by using the drag equation:
Drag = 1/2 * air density * velocity^2 * drag coefficient * reference area
where air density is the density of the fluid (air, water, etc.), velocity is the speed of the object moving through the fluid, drag coefficient is a dimensionless number that depends on the shape and roughness of the object, and reference area is the area that is normal to the direction of the fluid flow. To find the strength of the drag, you need to know these values and plug them into the equation.
Explanation:
A dog runs with an initial velocity of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
Answer:
-0.5 m/s^2
Explanation:
Acceleration = change in velocity / total time
7.5 / 15 = 0.5
Now assume that a strong, uniform magnetic field of size 0.55 TT pointing straight down is applied. What is the size of the magnetic force on the wire due to this applied magnetic field
To determine the size of the magnetic force on the wire, we need to use the formula F = BIL, where F is the magnetic force, B is the magnetic field strength, I is the current in the wire, and L is the length of the wire.
Unfortunately, the current (I) and the length (L) of the wire are not provided in your question.
Please provide these values in order to calculate the magnetic force.
The magnetic force on the wire can be calculated using the formula F = BIL, but the values for current and length of the wire are required to determine the size of the force.
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A torn T-shirt was found in the back seat of a suspect's car. Two pieces of torn cloth were found at the scene of the crime. Can the two pieces be individualized to the T-shirt? Explain.
Answer:
Yes you can
Explanation:
Match the tears found on the individual pieces with the individual holes seen on the shirt