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Question: 

To accelerate a particle of mass $m$ from rest to speed 0.90c requires work $W_1$. To accelerate the particle from speed 0.90c to 0.99c requires work $W_2$. Determine the ratio $W_2/W_1$.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$3.7$

Giancoli 7th Edition, Chapter 26, Problem 34

(1:56)

Chapter 26, Problem 34 is solved.

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