A car moving at 40 km/h is to be stopped by applying brakes
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Question:
A car moving at $40 \mathrm{~km} / \mathrm{h}$ is to be stopped by applying brakes in the next $4.0 \mathrm{~m}$. If the car weighs $2000 \mathrm{~kg}$, what average force must be applied on it?
