a stationery football weighing 0.5kg acquires a speed of 15m/s when kicked by a player. wht is the change in the momentum imparted to the football?
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Change in momentum is calculated by:
ΔP = P (final) - P ( initial)
Here we are given that :
initial velocity (u) = 0
final velocity (v) = 15m/s
weight = 0.5 kg
Therefore,
ΔP = m * v - m * u
ΔP = 0.5 * 15 - 0.5 * 0
ΔP = 7.5 Nm/s Answer
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