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If an arrow is shot upward on the moon with a velocity of 58 m/s, its height(in meters) after t seconds is given by h(t) = 58t - 0.83t2 . (a) Find the velocity of the arrow after 1 s. (b) Find the velocity of the arrow when t = a. (c) When will the arrow hit the moon? (d) With what velocity will the arrow hit the moon?

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