Water leaves a hose at a rate of 1.5 kg/s with a speed of 20 m/s and is aimed at the side of a car which stops it. Assuming no splashing back, what is the force exerted by the water?
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Expert's answer
2012-05-09T07:57:37-0400
The rate of change of momentum is equal to the net force:
F = dp/dt.
This can be shown using Newton’s second law. So,
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