Low Stakes

A construction worker accidentally pushes a 100kg block of metal alloy off a 8 meter high stand. The block lands on top of a stake partially put into the ground, driving it completely into the dirt.

What is the velocity of the block just before striking the stake? Ignore air resistance.

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Reveal Answer »

C.

Vf2 = Vi2 + 2ax = 0 + 2 (9.8 m/s2)(8 m)
V = 12.5 m/s


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