1. (a) Explain briefly the principle of the conservation of Linear Momentum (b) A pile driver, mass 1 tonne, falls freely through a distance of 5m before striking the pile, mass 0.5 tonnes. When the pile is nearly fully driven, the average resistance is 700kN. Determine the penetration per blow at that stage and evaluate the kinetic energy lost at impact. 1 tonne 5m 0.5 tonne

Elements Of Electromagnetics
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(a) Explain briefly the principle of the conservation of Linear Momentum
(b) A pile driver, mass 1 tonne, falls freely through a distance of 5m before striking the pile, mass 0.5 tonnes. When the pile is nearly fally driven, the average resistance is 700kN. Determine the penetration per blow at that stage and evaluate the kinetic energy lost at impact

1. (a) Explain briefly the principle of the conservation of Linear Momentum
(b) A pile driver, mass 1 tonne, falls freely through a distance of 5m before striking the
pile, mass 0.5 tonnes. When the pile is nearly fully driven, the average resistance is 700kN.
Determine the penetration per blow at that stage and evaluate the kinetic energy lost at
impact.
1 tonne
5m
0.5 tonne
Transcribed Image Text:1. (a) Explain briefly the principle of the conservation of Linear Momentum (b) A pile driver, mass 1 tonne, falls freely through a distance of 5m before striking the pile, mass 0.5 tonnes. When the pile is nearly fully driven, the average resistance is 700kN. Determine the penetration per blow at that stage and evaluate the kinetic energy lost at impact. 1 tonne 5m 0.5 tonne
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