A small rock is thrown vertically upward with a speed of22.0 m/s from the edge of the roof of a 30.0-m-tall building. The rockdoesn’t hit the building on its way back down and lands on the streetbelow. Ignore air resistance. What is the speed of the rock just before it hits the street?

A small rock is thrown vertically upward with a speed of22.0 m/s from the edge of the roof of a 30.0-m-tall building. The rockdoesn’t hit the building on its way back down and lands on the streetbelow. Ignore air resistance. What is the speed of the rock just before it hits the street?

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Question

A small rock is thrown vertically upward with a speed of
22.0 m/s from the edge of the roof of a 30.0-m-tall building. The rock
doesn’t hit the building on its way back down and lands on the street
below. Ignore air resistance. What is the speed of the rock just before
it hits the street?

Expert Solution