Physics
posted by Lance .
A ball is tossed from an upperstory window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of 18.5o below the horizontal. It strikes the ground 3.30 s later. How far horizontally from the base of the building does the ball strike the ground?
Calculate the height from which the ball was thrown.
How long does it take the ball to reach a point 10.0 m below the level of launching?

i don't know so i want to see
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