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Q.35

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1060

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Short Answer

What is the speed, as a fraction of c, of a particle whose momentum is mc?

Speed of particle is 0.707c.

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Step by Step Solution

Given information

We have given that, particle has momentum mc.

Step 1.

The formula of relativistic momentum is :

here, m = mass of particle

v = velocity of particle

c = speed of light

= relativistic momentum

We have given that the relativistic momentum is mc.

Step 2.

Substituting the values in formula :

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