5.7 The Mathematics of Speed

Problem

Module 05: The Mathematics of Speed Problem Set 3

You are on a rocket traveling at a speed of $0.75c$ away from Earth. You wish to launch a probe that will travel at a speed of $0.9c$ away from Earth.

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1. Question
How fast does the probe need to be going in the rocket's reference frame?
- 1. $.15c$
- 2. $.25c$
- 3. $.34c$
- 4. $.46c$
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Module 05: The Mathematics of Speed Problem Set 3

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