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A ball at a height of h = 45 m above the ground is thrown at an initial velocity of v = 80 m/s at

A ball at a height of h = 45 m above the ground is thrown at an initial velocity of v = 80 m/s at an angle of 30 degrees from the horizontal. Answer the following questions. (However, ignore the size of the ball and air friction, and calculate the gravitational acceleration as g=10m/s.) (1) What is the maximum height the ball can reach from the ground? (2) How long does it take for the ball to hit the ground again after it is thrown?

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