Question: 7. A baseball hit straight up into the air from an initial height of 1 m has a height, h, in metres, after t

7. A baseball hit straight up into the air from an initial height of 1 m has a height, h, in metres, after t seconds of h = -4.9t +40t+1, t0 a) The ball has a constant vertical acceleration. What is it? b) When is the velocity of the ball equal to zero? c) What is the position of the ball after a half-second of travel?

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