Question

A car initially moving at 10 m/s accelerates to 20 m/s. By what factor does the momentum change?

Answer 1

Answer:

2 times

Explanation:

Given:

u = 10 m/s

v = 20 m/s

To Find:

Factor of change in Momentum = ?

Solution:

Final Momentum = mv

Final Momentum = m(20)

Final Momentum = 20m

Initial Momentum = mu

Initial Momentum = m(10)

Initial Momentum = 10m

Therefore, Factor of change in Momentum = 20m / 10m = 2 times

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