Which has more momentum: a 30 kg bicycle moving at 10 m/s or a 300 kg car at rest?

A bicycle

B car

c they have the same momentum

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A bicycle

B car

c they have the same momentum

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Answer:Momentum = mass × velocity

## Case I

Momentum of bicycle = 30 × 10 = 300 kgms¯¹

## Case II

Momentum of car = 300 × 0 = 0 kgms¯¹

## Therefore, 300 > 0 so momentum of bicycle is more. Hence, option A is correct.