49. A ball is thrown upward from the top of a building at an angle of 30.0 degrees above the horizontal and with an initial speed of 20.0 m/s. The point of release is 45.0 m above the ground (a) how long does it take for the ball to hit the ground (b) Find the ball's speed at impact (c) find the horizontal range of the ball.

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A:

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Projectile Motion