A 1,000-N weight of a pile driver falls freely from rest; it drops 25 m and strikes a steel beam and drives it 3 cm into the ground. The kinetic energy of the weight of the pile driver just before it hits the beam is _____ in N-m.

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A 1,000-N weight of a pile driver falls freely from rest; it drops 25 m and strikes a steel beam and drives it 3 cm into the ground. The kinetic energy of the weight of the pile driver just before it hits the beam is _____ in N-m.






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