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Question:

can someone please help me on my physics homework?

what is the horsepower of a 14700 newton car that can go to the top of a 360.0 m hill in exactly one minute?what is the kinectice engergy of a 30 gram bbullet that is traveling at 200.0 m/s?a 12 kg box is lifted 15 m above the gorund by a construction crane, How much work did the crane do on the box? Ho wmuch gravitational potential energy does the box have relative to the ground after being lifted?

Answer:

Hello AR, power work / time force displacement / time Hence power 14700360 / 60 88200 J Hope you know 1 HP - JUsing that you can get HP 2) KE 1/2 m v^2 1/2 0.03 40000 600 J 3) Work done by the crane Weight displacement 12 9.8 15 Hence W 1764 J So the PE stored in the box will be 1764 J

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