9. Work & Energy
Net Work & Work-Energy Theorem
4:39 minutes
Problem 9r
Textbook Question
Textbook QuestionA pile driver lifts a 250 kg weight and then lets it fall onto the end of a steel pipe that needs to be driven into the ground. A fall from an initial height of 1.5 m drives the pipe in 35 cm. What is the average force that the weight exerts on the pipe?
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