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Q. A baseball is seen to pass upward by a window 28m above the street with the vertical speed 13m/s. if the ball was thrown froom the street

a) what was its initial speed?
b) what altitude does it reach?
c) when was it thrown?
d) when does it reach the street again?

Q. A brick is thrown vertically upward with an initial speed of 3.0 m/s from the roof of a building. If the building is 74.4 m tall, how much time passes before the brick lands on the ground?

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Category:- Physics
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