How fast would you have to throw a baseball (m = 145 g) to give it the same momentum as a 10-g bullet traveling at 800 m/s?

Question

Physics

Sabrina Leach

21 February, 18:40

How fast would you have to throw a baseball (m = 145 g) to give it the same momentum as a 10-g bullet traveling at 800 m/s?

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Answers (1)

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Coby · Answer 1

Momentum of the bullet is m*v = 0.01 kg * 800 m/s = 8 kgm/s

so momentum of baseball also = 8 kgm/s

8 = mass of baseball * velocity

8 = 0.145 * v

on solving for v,

v = 55.17 m/s which is the required velocity

:)