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The single cable supporting an unoccupied construction elevator breaks when the elevator is at rest at the top of a 175 m high building.

(a) With what speed does the elevator strike the ground?
(b) How long was it falling?
(c) What was its speed when it passed the halfway point on the waydown?
(d) How long had it been falling when it passed the half waypoint?

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Category:- Physics
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