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A ball is tossed from an upper-story window of a building. The ball is given an...

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.20 m/s at an angle of 15.0° below the horizontal. It strikes the ground 4.00 s later.

(a) How far horizontally from the base of the building does the ball strike the ground?
(    ) m

(b) Find the height from which the ball was thrown.
(    )m

(c) How long does it take the ball to reach a point 10.0 m below the level of launching?   
( )s

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