What is the momentum change when a 2 kg ball bounces back from a wall at the same speed of 5 m/s?

Type: MCQ • Marks: 1

A. 10 kg m/s

B. Zero

C. 20 kg m/s

D. 5 kg m/s

Explanation

Initial momentum = +10; final momentum = -10; change = final - initial = -10 - 10 = magnitude 20 kg m/s.

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Class 9th Science (MCQ)

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