# Question: At the instant a ball rolls off a rooftop it

At the instant a ball rolls off a rooftop it has a horizontal velocity component of +10.0 m/s and a vertical component (downward) of 15.0 m/s.

(a) Determine the angle of the roof.

(b) What is the ball’s speed as it leaves the roof?

(a) Determine the angle of the roof.

(b) What is the ball’s speed as it leaves the roof?

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