A pile driver drives a post into the ground.The mass of the pile driver is 2500 kg,and it is dropped through a height of 8.0 m on each stroke.If the resisting force of the ground is 2.0 × 106 N,how far is the post driven in on each stroke?
A) 4.9 cm
B) 9.9 cm
C) 16 cm
D) 49 cm
Correct Answer:
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