A particular hydraulic pile driver uses a ram with a mass of 1,600 kg. If the ma

Question

    A particular hydraulic pile driver uses a ram with a mass of 1,600 kg. If the maximum pile energy is 13,030 J, how high must the ram be raised to achieve this value?    Assuming it takes 0.70 s for the pile driver's winch motor to raise the ram at a constant speed to this height, what is the power output by the motor in completing this task? Express your answer in both watts and horsepower.     A particular hydraulic pile driver uses a ram with a mass of 1,600 kg. If the maximum pile energy is 13,030 J, how high must the ram be raised to achieve this value?    Assuming it takes 0.70 s for the pile driver's winch motor to raise the ram at a constant speed to this height, what is the power output by the motor in completing this task? Express your answer in both watts and horsepower.

Explanation / Answer

a) PE = mgh

13,030 = 1600(9.8)( heighjt)

height= 0.83 m apprx

b) power = energy / time

power = 13,030/ 0.70 = 18641.2857 watts apprx = 24.998 HP apprx

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