A constant force of 200n pulls a 30kg box up a ramp 15m
A constant force of 200N pulls a 30kg box up a ramp 15m long and 4m high. If it starts from rest and achieves a speed of 5m/s on top, how much work did the frictional force do in the box?
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a constant force of 200n pulls a 30kg box up a ramp 15m long and 4m high if it starts from rest and achieves a speed of
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