A ball rolls down a roof that makes an angle of 30 degrees, Ask an Expert

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A ball rolls down a roof that makes an angle of 30 degrees to the horizontal. The ball has an initial speed of 5 m/s and the roof is 7 meters tall.

a) How long is the ball in the air?

b) how far from the base of the house does it land?

c) what is its speed just before landing?

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Category:- Physics
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