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प्रश्न
The linear momentum of a ball of mass 50 g is 0.5 kg m s-1. Find its velocity.
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उत्तर
Linear momentum = 0.5 kg m/s
Mass, m = 50 g = 0.05 kg
Velocity = Linear momentum/mass
= 0.5/0.05 m/s
= 10 m/s -1
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