A STATIONARY FOOTBALL WEIGHING 0.5 KG AQUIRES A SPEED OF 15M/S WHEN KICKED BY A PLAYER .WHAT WILL BE THE CHANGE IN MOMENTUM IMPARTED TO THE FOOTBALL ?

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Solution

$Change in momentum = m (v - u) = 0.5 (15 - 0) = 7.5 kg . m / s$

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A STATIONARY FOOTBALL WEIGHING 0.5 KG AQUIRES A SPEED OF 15M/S WHEN KICKED BY A PLAYER .WHAT WILL BE THE CHANGE IN MOMENTUM IMPARTED TO THE FOOTBALL ?

Change in momentum=mv-u =0.515-0 =7.5 kg.m/s

$Change in momentum = m (v - u) = 0.5 (15 - 0) = 7.5 kg . m / s$