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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

Unreasonable Results

A spaceship is heading directly toward the Earth at a velocity of 0.800c. The astronaut on board claims that he can send a canister toward the Earth at 1.20c relative to the Earth. (a) Calculate the velocity the canister must have relative to the spaceship. (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?

To determine

(a)

A spaceship is heading directly toward the Earth at a velocity of0.800c.The astronaut on board claims that he can send a canister toward the Earth at1.200crelative to the ship. The velocity of the canister relative to the spaceship.

Explanation

Given info:

  v1.2c

  u0.800c

  c3×108 ms1

Formula used:

For velocity of the canister with respect to the spaceship is calculation, the relation between velocities are

  u'vu1vu

To determine

(b)

Tell about the unreasonable about this result.

To determine

(c)

About the assumptions are unreasonable or inconsistent.

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