Question: A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 2.50 s. You may ignore air
(a) How tall, in meters, is the building?
(b) What is the magnitude of the brick's velocity just before it reaches the ground?
(c) Sketch a,-t, v,-t, and y-t graphs for the motion of the brick.
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IDENTIFY Apply constant acceleration equations to the vertical motion of the bri... View full answer
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