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Calculate the momentum of a body which weight is 45 kg and running at the speed of 20 km/h?


1. 600 km/h
2. 500 km/h
3. 900 km/h
4. 450 km/h

1 Answer

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Best answer
Correct Answer - Option 3 : 900 km/h

Given:

Body weight = 45 kg

Running speed = 20km/h

Concept:

Momentum = mass × velocity

Calculation:

∴ required momentum = 45 × 20 = 900 km/h

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