The 450-kg ram of a pile driver falls 1.4 m from rest and strikes the top of a 240-kg pile em 9 m in the ground. Upon impact the ram is seen to move with the pile with no noticeable r etermine the velocity v of the pile and ram immediately after impact. Can you justify inciple of conservation of momentum even though the weights act during the impact?

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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter8: Linear Momentum And Collisions
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7. The 450-kg ram of a pile driver falls 1.4 m from rest and strikes the top of a 240-kg pile embedded
0.9 m in the ground. Upon impact the ram is seen to move with the pile with no noticeable rebound.
Determine the velocity v of the pile and ram immediately after impact. Can you justify using the
principle of conservation of momentum even though the weights act during the impact?
Transcribed Image Text:7. The 450-kg ram of a pile driver falls 1.4 m from rest and strikes the top of a 240-kg pile embedded 0.9 m in the ground. Upon impact the ram is seen to move with the pile with no noticeable rebound. Determine the velocity v of the pile and ram immediately after impact. Can you justify using the principle of conservation of momentum even though the weights act during the impact?
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