Pleasee help mee
a circular coil of 100 turns and cross-sectional area of 2. 0 cm² carrying a 50 mA current is placed in a magnetic field of 0. 5 T parallel to the plane of the coil. Calculate the torque acting on the coil?
Answers
A circular coil of 100 turns and a cross-sectional area of 2. 0 cm² carrying a 50 mA current is placed in a magnetic field of 0. 5 T parallel to the plane of the coil. The torque acting on the coil is 0.01 Nm.
The torque acting on a circular coil placed in a magnetic field can be calculated using the formula: \(T = NABsin\theta\) , where N is the number of turns in the coil, A is the area of each turn, B is the magnetic field strength, and θ is the angle between the magnetic field and the plane of the coil.
Substituting the given values, we have
\(T = (100)(2.0 \times 10^{-4} m^2)(0.5 T)sin90^{\circ}\)
T = 0.01 Nm.
Therefore, the torque acting on the coil is 0.01 Nm.
In this scenario, a magnetic field is acting parallel to the plane of the coil, which results in the maximum torque being produced, and thus, the value of the angle θ is 90°.
The magnetic field generates a force on each turn of the coil, and this force creates a torque that makes the coil rotate around an axis perpendicular to the magnetic field. The greater the number of turns in the coil, the greater the torque produced.
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Related Questions
A thermometer is taken from a room where the temperature is 19
∘
C to the outdoors, where the temperature is −5
∘
C. After one minute the thermometer reads 11
∘
C. (a) What will the reading on the thermometer be after 3 more minutes? (b) When will the thermometer read −4
∘
C ? minutes after it was taken to the outdoors.
Answers
The reading on the thermometer after 3 more minutes will be -13∘C. The thermometer will never read -4∘C after being taken outdoors.
To solve this problem, we can assume that the rate of change in temperature follows a linear pattern.
Let's first calculate the rate of change in temperature per minute:
Rate of change = (Final temperature - Initial temperature) / Time
a) After one minute:
Rate of change = (11∘C - 19∘C) / 1 minute = -8∘C/minute
To find the reading on the thermometer after 3 more minutes, we can multiply the rate of change by the time:
Change in temperature = Rate of change × Time
After 3 more minutes:
Change in temperature = -8∘C/minute × 3 minutes = -24∘C
The initial temperature was 11∘C, so the final temperature after 3 more minutes will be:
Final temperature = Initial temperature + Change in temperature = 11∘C - 24∘C = -13∘C
b) To find when the thermometer will read -4∘C, we need to determine the time it takes for the temperature to change from -5∘C to -4∘C.
Rate of change = (-4∘C - (-5∘C)) / Time
Rate of change = 1∘C / Time
We can rearrange the equation to solve for time:
Time = 1∘C / Rate of change
Substituting the given rate of change:
Time = 1∘C / (-8∘C/minute) = -1/8 minute
Since time cannot be negative, we can conclude that the thermometer will never read -4∘C after being taken outdoors.
Please note that this calculation assumes a linear rate of change in temperature, which might not hold true in all situations.
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a small piece of steel is tied to a block of wood. when the wood is placed in a tub of water with the steel on top, half of the block is submerged. if the block is inverted so that the steel is underwater, does the amount of the block submerged increase, decrease, or remain the same? decreases increases remains the same correct: your answer is correct. what happens to the water level in the tub when the block is inverted? remains the same increases decreases correct: your answer is correct. explain both answers.
Answers
When the block is inverted so that the steel is under water, the amount of the block submerged will remain the same. The portion of the block that was previously above the water level will now be submerged, while the portion that was submerged will now be above the water level.
In summary, when the block is inverted, the amount of the block submerged will increase and the water level in the tub will decrease. This is because the weight of the block acting on the submerged portion of the block is greater than the weight of the submerged portion of the block, causing the block to be lifted out of the water, and the volume of the submerged portion of the block is greater than the volume of the block, causing the water level to decrease.
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Full Question ;
O A small piece of steel is tied to a block of wood. When the wood is placed in a tub of water with the steel on top, half of the block is submerged. Now the block is inverted so that the steel is under water. (i) Does the amount of the block submerged (a) increase, (b) decrease, or (c) remain the same? (ii) What happens to the water level in the tub when the block is inverted? (a) It rises. (b) It falls. (c) It remains the same.
Talent = Current in nuerons x Time ÷ Change in dogs body Temperature
Answers
Tx=\frac{IT}{dT}
Where
Tx=talent
I=Current
t=time
dT=Change in temperature
From the question we are told
Talent = Current in nuerons x Time ÷ Change in dogs body Temperature
Generally the equation for the give Question is is mathematically given as
Tx=\frac{IT}{dT}
Where
Tx=talent
I=Current
t=time
dT=Change in temperature
Where
Talent refer to skills and ability.
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Two trains sound identical horns of frequency 410 Hz. One train is stationary. The other is moving away from an observer, who heats a beat frequency of 35 Hz. How fast is the moving train going?
Answers
The speed of the moving train is approximately 33.5 m/s.
The beat frequency is given by the difference in frequency between the two horns, which is equal to the Doppler shift in frequency due to the motion of the moving train. Using the formula for the Doppler effect, we can solve for the speed of the train:
\(f_b = f_s\dfrac{(v + v_o)}{(v + v_s)}\)
where \(f_b\) is the beat frequency, \(f_s\) is the horn frequency, v is the speed of sound, \(v_o\) is the observer's speed, and \(v_s\) is the speed of the source.
We know that \(f_s\) = 410 Hz and \(f_b\) = 35 Hz. The speed of sound in air at standard temperature and pressure is approximately 343 m/s. Since the observer is stationary, \(v_o\) = 0.
Solving for \(v_s\), we get:
\(v_s = \dfrac{(f_s + f_b)}{f_s - 1} \times v\)
\(v_s\) = ((410 Hz + 35 Hz) / 410 Hz - 1) * 343 m/s
\(v_s\) = 33.5 m/s
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which statement is most true concerning the current through each resistor and the voltage measured across each resistor?
Answers
The statement that is most true concerning the current through each resistor and the voltage measured across each resistor is the current is the same through both resistors, and so is the voltage across both resistors.
The equivаlent resistаnce of а combinаtion of resistors depends on both their individuаl vаlues аnd how they аre connected. The simplest combinаtions of resistors аre series аnd pаrаllel connections. In а series circuit, the output current of the first resistor flows into the input of the second resistor; therefore, the current is the sаme in eаch resistor.
In а pаrаllel circuit, аll of the resistor leаds on one side of the resistors аre connected together аnd аll the leаds on the other side аre connected together. In the cаse of а pаrаllel configurаtion, eаch resistor hаs the sаme potentiаl drop аcross it, аnd the currents through eаch resistor mаy be different, depending on the resistor. The sum of the individuаl currents equаls the current thаt flows into the pаrаllel connections.
Your question is incomplete, but most probably your full question can be seen in the Attachment.
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Following a lecture on transverse and longitudinal waves, four students make venn diagrams to characterize these waves. which venn diagram is correct? a venn diagram with two intersecting circles. the circle on the left is labeled transverse waves with entries light, can travel through a vacuum, vibrating string, created by a disturbance and medium motion is perpendicular. the circle on the right is labeled longitudinal waves with entries medium motion is parallel, has regions of high and low density, sound and travel faster in a denser medium. the overlapping region has entries has speed and travels through solids. a venn diagram with two intersecting circles. the circle on the left is labeled transverse waves with entries light, can travel through a vacuum, vibrating string and medium motion is perpendicular. the circle on the right is labeled longitudinal waves with entries medium motion is parallel, has regions of high and low density, sound and travel faster in a denser medium. the overlapping region has entries, created by a disturbance, has speed and travels through solids. a venn diagram with two intersecting circles. the circle on the left is labeled transverse waves with entries light, all parts of the electromagnetic spectrum, vibrating string, medium motion is perpendicular. the circle on the right is labeled longitudinal waves with entries medium motion is parallel, has regions of high and low density, sound and can travel through a vacuum. the overlapping region has entries, created by a disturbance, has speed and travels through solids. a venn diagram with two intersecting circles. the circle on the left is labeled transverse waves with entries light, can travel through a vacuum, vibrating string and medium motion is perpendicular. the circle on the right is labeled longitudinal waves with entries medium motion is parallel, has regions of high and low density, all parts of the electromagnetic spectrum and travel faster in a denser medium. the overlapping region has entries, created by a disturban
Answers
Venn diagram B is correct. A Venn diagram is a type of graph that uses circles to depict connections between objects or fixed groups of entities.
What Is a Venn Diagram and how does It Work?A Venn diagram is a diagram that uses circles to depict relationships between objects or finite groups of objects. Circles that overlap share characteristics, whereas circles that do not overlap do not.
A Venn diagram with two intersecting circles. the circle on the left is labeled transverse waves with entries light, can travel through a vacuum, vibrating string and medium motion is perpendicular.
The circle on the right is labeled longitudinal waves with entries medium motion is parallel, has regions of high and low density, sound and travel faster in a denser medium.
The overlapping region has entries, created by a disturbance, has speed, and travels through solids.
Hence Venn diagram B is correct
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Which nucleus completes the following equation?
Answers
Answer:
I think B but I could be wrong
Explanation:
no matter where you are on earth, stars appear to rotate about a point called the
Answers
Answer:
The Celestial Sphere
Explanation:
No matter where you are on Earth, stars appear to rotate about a point called the celestial pole.
Here's how it works:
Rotation of Earth: The Earth rotates on its axis from west to east. This rotation takes approximately 24 hours to complete one full rotation.
Celestial Poles: The celestial poles are imaginary points in the sky directly above the Earth's geographic poles. The North Celestial Pole is located directly above the Earth's North Pole, and the South Celestial Pole is located directly above the Earth's South Pole.
Apparent Motion: As the Earth rotates, the stars that are closer to the celestial poles appear to move in small circles around these poles. The stars that are farther away from the poles will have larger apparent circles.
Constellations and Circumpolar Stars: The constellations located near the celestial poles are known as circumpolar constellations. This means that they never fully set below the horizon from a specific location on Earth.
Equator and Horizon: The stars that are situated near the celestial equator (an imaginary line that's an extension of Earth's equator into the sky) will rise in the east, arc across the sky, and set in the west, much like the Sun does.
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if i were to drop an egg off a cliff, it begins to acceleration toward the ground, until it hits the ground and splattered. is momentum conserved in this situation?
Answers
Based on the principle of momentum, the momentum of the egg falling from a cliff and which shatters on hitting the ground is conserved.
What is momentum?Momentum is the product of the mass and the velocity of a compound.
Momentum, p = mass * velocity
Momentum is a vector quantity and its unit is kgm/s.
According to the principle of the conservation of momentum, in a system of colliding bodies, the momentum before the collision and the momentum after collision is conserved or equal.
Therefore, the momentum of the egg in the given scenario is conserved.
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can u get this right?
Answers
HELP ME PLEASE????????????????????????????????
Answers
The answer is géstele to the point of view look to the right and boom walalalalalalalalalalallalalalalala
How can one decrease power output while still doing the same amount of work
Answers
To decrease power output while still doing the same amount of work, one can increase the time it takes to complete the task. This means that the work is being spread out over a longer period of time, reducing the amount of power required to complete it.
There are several ways to increase the time it takes to complete a task, such as taking more breaks, slowing down the pace of work, or breaking the task up into smaller parts. For example, if you are lifting weights, you can decrease the power output by doing more repetitions with a lighter weight, or by taking longer breaks between sets. This will still allow you to achieve the same amount of work, but with less power output.
Another way to decrease power output is to use more efficient equipment or techniques. For example, if you are using a lawn mower, switching to a more energy-efficient model or using a mulching blade can reduce the amount of power needed to mow the lawn. Additionally, adjusting the technique used to complete a task can also make it more efficient and require less power.
In conclusion, decreasing power output while still doing the same amount of work can be achieved by increasing the time it takes to complete the task, using more efficient equipment or techniques, or breaking the task up into smaller parts.
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Which is a property of every heterogeneous mixture?
a.the mixture is made up of at least two different states.
b.the mixture is made up of something dissolved in a liquid.
c.the composition of the mixture is the same throughout.
d.the characteristics of the mixture change within a sample.
hana fills a cup with sandy ocean water. she pours the mixture through a filter. what does she collect that passes through the filter?
a.a sample of pure water
b.a solution of salt in water
c.a suspension of sand in water
d.a colloid of salt in water
which describe colloids? check all that apply.
1.heterogeneous mixtures
2.homogeneous mixtures
3.may have a uniform appearance
4.are made up of at least two substances
5.will settle out over time
when mixed, which states of matter form only a homogeneous mixture?
a.two liquids
b.two gases
c.a solid and
Answers
Answer: C for all of them
Explanation:
Because I'm smart
Jk
So basically its beacuse all of them have the same mixture since science can be interrelated and interchangebale in terms of formulas ok bye now
Thanks
Hope this helped you
Or not
Sorry if it didn't ig
Wavelengths of incoming solar radiation are __________________ the wavelengths of reradiated heat. Which term best completes the sentence
Answers
Explanation:
Hydraulic Pressure-Control, On-Off Deluge Valve
FP-400Y-5DC
The BERMAD model 400Y-5DC is an elastomeric, hydraulic line pressure operated deluge valve, designed specifically for advanced fire protection systems and the latest industry standards. The 400Y-5DC is activated by a hydraulically operated relay valve, through which opening and closing of the valve can be controlled either with a remote hydraulic command or with a wet pilot line with closed fusible plugs. An integral pressure reducing pilot valve ensures a precise, stable, pre-set downstream water pressure. The optional valve position indicator can include a limit switch suitable for Fire & Gas monitoring systems. The 400Y-5DC is ideal for systems that combine a remote wet pilot line with a high pressure water supply.
a ball is thrown horizontally from the top of a 70.6-m building and lands 188 m from the base of the building. ignore air resistance. how long is the ball in the air?
Answers
A ball launch horizontally from the top of a 70.6-m building lands 188 m from the building's base. The ball will fly for 3.79 seconds.
A displacement is a vector whose length is the shortest distance between a moving point's initial and final positions.
The beginning velocity in the problem is described as horizontal, which implies that the initial vertical velocity(u) is zero. In order to solve for the time of flight using the formula, we also have the height of the building, which is a downward displacement.
We know,
\(Y = ut + \frac{1}{2}at^{2}\)
Here, Y = height of the building = 70.6m, u = 0, a = g = 9.81m/\(s^{2}\). We have to find the time of flight t.
⇒ \(70.6 = 0*t + \frac{1}{2} (9.81)t^{2}\)
⇒ \(t^{2} = 14.3934\)
⇒ \(t = 3.79 s\)
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What i the ma of a cube meauring 3 cm on each ide that ha a denity of 8. 1 g/cm 3 ?
Answers
The mass of the cube is found to be to 218.7 grams with a density of 8.1g/cm³.
The density of any substance is calculated by dividing the mass of the substance by the volume of that substance.
Hayat is given that there is a cube which is 3 cm from each side and the density of the cube is given to be 8.1g/cm³.
Calculating the volume of the cube by using the formula,
V = a³
a is the side of the cube,
V = 3³
V = 27cm³.
Now, for finding the mass,
Density = mass/volume
Mass = density x volume
Putting values,
Mass of the cube = 8.1 x 27
Mass of the cube = 218.7 grams.
So, the mass of the cube is found to be 218.7 grams.
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three forces, a, b, and c, are acting on the same object with magnitudes a, b, and c, respectively. force a acts to the right, force b acts to the left, and force c acts downward. what is a necessary condition for the object to move straight down?
Answers
The necessary condition for the object to move straight down is the magnitude of force C must be greater than the magnitude of forces A or B, so A < C > B.
Here's the complete question:
Three forces, A, B, and C, are acting on the same object with magnitudes a, b, and c, respectively. Force A acts to the right, force B acts to the left, and force C acts downward. What is a necessary condition for the object to move straight down?
A. The magnitude of force A must be greater than the magnitude of force C, so A > C.
B. The magnitude of force A must be greater than the magnitude of force B, so a > b.
C. The magnitude of force A must be equal to the magnitude of force B, so a = b.
D. The magnitude of force C must be greater than the magnitude of forces A or B, so A < C > B.
Three forces, A, B, and C, are acting on the same object with magnitudes a, b, and c, respectively. Force A acts to the right, force B acts to the left, and force C acts downward.
The force C must be greater than the two forces A and B acting on the right and left side of an object because the resultant of the force will move the object downward if the force at C will be greater then the other two forces.
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If a brick has a density of 3.75g/mL and a mass of 20.25g, what is its volume
Answers
Answer:
5.4mL
Explanation:
20.25g divided by 3.75g/mL= 5.4mL
A rocket with a mass of 0.5kg is travelling at 400m/s strikes and sticks in a block of wood with a mass of 50kg. find velocity of rocket.
Answers
Answer:
36.36 m/s
Explanation:
From the question,
Applying the law of conservation of momentum.
Total momentum before collision = Total momentum after collision .
mu+m'u' = V(m+m')................ Equation 1
Where m = mass of the rocket, m' = mass of the wood, u = initial velocity of the rock, u' = initial velocity of the wood, V = Final velocity after collision
But, the wood was initially at rest
Therefore, u' = 0 m/s
mu = V(m+m')
make V the subject of the equation
V = mu/(m+m')................. Equation 2
Given: m = 0.5 kg, u = 400 m/s, m' = 50 kg
Substitute these values into equation 2
V = (0.5×400)/(0.5+50)
V = 200/5.5
V = 36.36 m/s
If mass = 30kg, gravity = 10 N/kg and height is 2m of a car. Calculate the gravitational potential energy.
Answers
Answer:
P.E.=600Nm
Explanation:
m=30kg
g=10m/s²
h=2m
P.E.=?
as we know that
P.E.=mgh
P.E.=30kg×10m/s²×2m
P.E.=600Nm
when something is painted red, what color is most absorbed?
Answers
When something is painted red, the color that is most absorbed is green.
Color perception is based on the reflection and absorption of light. Different colors correspond to different wavelengths of light. When an object appears red, it means that it is reflecting light primarily in the red wavelength range and absorbing other wavelengths.In the case of red objects, they appear red because they selectively absorb light in the blue and green wavelength ranges while reflecting light in the red wavelength range. The red pigment or dye used in the paint absorbs the complementary color, which is green. As a result, the green light is mostly absorbed by the object, while the red light is reflected, giving the object its red appearance.Therefore, when something is painted red, it means that it absorbs the color green the most.
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A block is placed on a plane whose angle of inclination is 30. The coefficients of static and kinetic friction for the block on the inclined plane are both 0.2. The block (A) remains stationary on the inclined plane. (B) accelerates down the inclined plane. (C) travels down the inclined plane at constant velocity. (D) travels up the inclined plane at constant velocity. (E) accelerates up the inclined plane. ***This question was already answered and they say it remains stationary but I am getting it would accelerate down the inclined plane. Please provide all work. I get fsmax = u mg cos 30 = (.2)*(.866) & Fapp= mgsin30 = (.5) [Removed m and g since same]. Fapp is .5 which is greater than fsmax .1732 so block would accelerate down plane.
Answers
The block would accelerate down the inclined plane. The force applied is greater than the maximum force of static friction. The correct answer is (B).
Angle of inclination of plane, θ = 30, Coefficient of static friction, µs = 0.2, Coefficient of kinetic friction, µk = 0.2The block is stationary, A block (A) remains stationary on the inclined plane, which implies that the force of static friction fsmax acting upwards balances the force of gravity mgsinθ acting downwards.
Using the formula of maximum force of static friction, we get; fsmax = µs x mg cosθ = 0.2 x mg x cos 30 ......(1)Also, the maximum force of static friction, in this case, is less than the force of gravity acting downwards. Hence, the block will slide down the incline.
On substituting the values in eq. (1), we get; fsmax = (0.2) (9.8) (0.866) ≈ 1.69 N. The force of gravity acting on the block will be; Fg = mg sinθ = 0.5mg N. Since the force applied, Fapp is greater than fsmax, the block will accelerate down the plane. So, the correct answer is (B).
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The linear probability model contains heteroskedasticity unless _____. a. all the slope parameters are zero b. the independent variables are binary c. the intercept parameter is zero d. all the slope parameters are positive
Answers
The linear probability model contains heteroskedasticity unless b. the independent variables are binary
What is Heteroskedasticity?
Heteroskedasticity refers to the violation of the assumption in a linear regression model that the variance of the error term is constant across all levels of the independent variables. In other words, it means that the variability of the error term is not the same for all observations.
The linear probability model is a specific type of linear regression model used when the dependent variable is binary (taking on values of 0 or 1). In this model, the assumption of constant variance (homoskedasticity) is violated unless the independent variables are binary.
When the independent variables in the linear probability model are binary, the error term's variance is constant for each level of the binary variables. This ensures that heteroskedasticity is not present in the model.
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You drop a 5 kg ball from a height of 2 m. Just
before it reaches the ground, how much kinetic
energy does it have?
Answers
Answer:
Kinetic energy = 98 N
Explanation:
Given:
Mass = 5 kg
Height = 2 m
Find:
Kinetic energy
Computation:
K(e) = P(e)
So,
P(e) = mgh
So,
K(e) = (5)(9.8)(2)
Kinetic energy = 98 N
In your own words define the following term and state its
importance for hypothesis testing (2 points correct definition, 3
points correct importance for hypothesis testing).
Null Hypothesis
Sampling
Answers
Sampling is the process of selecting a subset of individuals or items from a larger population in order to gather information or make inferences about the whole population. This method allows researchers to collect data from a smaller group, which is more efficient and cost-effective than collecting data from the entire population.
Sampling is a crucial process in research because it helps ensure that the data collected is representative of the population and reduces the potential for bias. There are several types of sampling methods, including random sampling, stratified sampling, and convenience sampling. The choice of sampling method depends on the research question, the population being studied, and the resources available to the researcher. The accuracy of the data obtained from a sample depends on the sample size and the sampling method used. A larger sample size is generally more representative of the population and reduces the margin of error, while a smaller sample size may be more susceptible to sampling bias.
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2. Think about an activity you may have learned that involves muscle memory. Consider when you first learned the activity, how easy or difficult it was the first time, and if you can do it now without thinking. What happened in your brain during practices that resulted in muscle memory for you?
Answers
Answer:
Muscle memory is found in many everyday activities that become automatic and improve with practice, such as riding bicycles, driving motor vehicles, playing ball sports, typing on keyboards, entering PINs, playing musical instruments, poker, martial arts, and dancing.
Explanation:
Which describes elements in the first group of the periodic table?
Answers
Answer:
Alkali metals are the chemical elements found in Group 1 of the periodic table. The alkali metals include: lithium, sodium, potassium, rubidium, cesium, and francium.
Explanation:
Answer:
alkali metals
Explanation:
What is the contour interval between the two index contours?
Group of answer choices
100 ft
100 m
20 ft
will give brainly
Answers
Answer:
Contour lines (thinner lines) between index contours are called intermediate contour lines. In the map shown below, the elevation difference between index lines is 100 meters. The elevation difference or vertical distance between two adjacent contour lines would be 20 meters (100 : 5 = 20).
Explanation:
I think so not sure srry if wrong
Answer:
ummm what grade is this????
Explanation:
How does space exploration affect the economy of Florida?
A) Since rockets launched from Florida are paid for by the federal government, there is a positive effect on Florida's economy.
B) Since rockets launched from Florida pull tourists away from Disney World and local beaches, there is a negative effect on Florida's economy.
C) Since rockets launched from Florida must be purchased from companies located outside of Florida, there is a negative effect on Florida's economy.
D) Since rockets launched from Florida require hundreds of scientists and engineers to move to the area, there is a positive effect on Florida's economy.
Answers
Answer:
How does space exploration affect the economy of Florida?
A) Since rockets launched from Florida are paid for by the federal government, there is a positive effect on Florida's economy.
I need help with this
Answers
Answer:
0.832
Explanation:
8.320 x 10 to the negative 1st power is 0.832