Answer to Question #42129 in Mechanics | Relativity for jaime alex bagnato
A piledriver hammer of mass 150 kg falls freely through a distance of 5 m to strike a pile of mass 400 kg and drives it 75 mm into the ground. The hammer does not rebound when driving the pile. Determine the average resistance of the ground. Compare and contrast the use of D’Alembert’s principle with the principle of conservation of energy when solving the problem
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