Answered: 9. A spaceship that is 50 m long as…

9. A spaceship that is 50 m long as measured by its occupants is traveling at a speed of 0.1c relative to the Earth. How long is the spaceship as measured by mission control in Houston?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter9: Relativity

Section: Chapter Questions

Problem 32P

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Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

Question

Plz answer both correctly asap

9. A spaceship that is 50 m long as measured
by its occupants is traveling at a speed of 0.1c
relative to the Earth. How long is the spaceship
as measured by mission control in Houston?
11. A spaceship is traveling with a velocity of
0.8c relative to the Earth. What is the
momentum of the spaceship if its mass is
5000 kg? (p = rmv and c = 3 x 10^8 m/s.)

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