A ball of mass 10 g is moving with a vel...

A ball of mass 10 g is moving with a velocity of `50 "ms"^(-1)`. On applying a constant force on ball for 2.0 s, it acquires a velocity of `70 "ms"^(-1)`. Calculate the rate of change of momentum

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Rate of change of momentum
`=("Final momentum - initial momentum")/("Time interval")`
`=((0.7-0.5)kg m s^(-1))/(2.0 s) = 0.1 kg m s^(-2) ` (or 0.1 N)

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