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Chapter 28, Problem 19PE
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### College Physics

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

#### Solutions

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Section
BuyFindarrow_forward

### College Physics

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

# Unreasonable ResultsA 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:

â€ƒâ€ƒvâ‰ˆ1.2c

â€ƒâ€ƒuâ‰ˆ0.800c

â€ƒâ€ƒcâ‰ˆ3Ã—108Â msâˆ’1

Formula used:

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

â€ƒâ€ƒu'â‰ˆvâˆ’u1âˆ’vu

To determine

(b)

Tell about the unreasonable about this result.

To determine

(c)

About the assumptions are unreasonable or inconsistent.

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