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Q. 1

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 227

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Short Answer

If a particle’s speed increases by a factor of 3, by what factor does its kinetic energy change?

It will change by a factor of 9

See the step by step solution

Step by Step Solution

Step1: Given information

Velocity is changed by a factor of 3

Step2: Explanation

Kinetic energy is given by

Lets say velocity is changed to v'=3v, then

kinetic energy will become

Now find ratio

It will increase by a factor of 9.

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