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ella [17]
4 years ago
7

A rocket passing the earth with high speed will look shorter for the stationary observer measuring the size on earth than travel

er in rocket. O True O False
Physics
1 answer:
neonofarm [45]4 years ago
5 0

Answer:

True

Explanation:

This can be explained by the special theory of relativity for length contraction.

Length contraction is observed in the direction of motion of an object when an object moves with speed closer to the speed of light.

The length of the rocket in this case, appears shorter to the observer on earth in the stationary reference frame which is improper frame whereas the traveler in the rocket is in the same inertial frame which is proper for the rocket's size measurement.

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The demand equation for the Roland portable hairdryer is given as follows where x (measured in units of a hundred) is the quanti
lesya [120]

Answer:

Explanation:

The concept of elastic and inelastic demand is applied.

for an elastic demand, the elasticity must be greater than 1 and for an Inelastic demand, the elasticity must be less than 1.

The steps and appropriate calculation is as shown in the attached file.

6 0
4 years ago
Which of the following is not an example of bias
neonofarm [45]

Answer:

B

Explanation:

The writers are from a trusted source that is considered impartial. The message is backed up by scientific investigation, and the writers have no monetary gain from their message.

5 0
3 years ago
A 5 kg book falls from a shelf. If it lands at a speed of 5.7 m/s, from what height did it fall?
Pachacha [2.7K]

Answer:

57m

Explanation:

speed = 5.7m/s

or 57/10 m/s

so definitely the time taken will be 10 secs

so speed = distance/time taken

5.7= distance/10

distance = 5.7× 10

Distance = 57m

7 0
3 years ago
during a crash a dummy with the mass of 60.0 kg hits a airbag that exerts a constant force in the dummy the acceleration of the
Yakvenalex [24]

Explanation:

F = ma

F = (60.0 kg) (250 m/s²)

F = 15,000 N

6 0
3 years ago
Please help me!
Eddi Din [679]

Explanation:

Answer is Heat always flows from a Higher place to a lower place.

If my answer is wrong then I'm sorry!

I hope it's helpful!!

6 0
3 years ago
Read 2 more answers
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