physics

A golfer imparts a speed of 32.1 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation.
(a) How much time does the ball spend in the air?
(b) What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits the green?

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  1. It seems easier to do these questions in reverse order, solving for the distance first.

    The longest distance the ball can go "on the fly" (which occurs when hit at 45 degrees from horizontal) is
    D = (Vo^2)/g = 105.1 meters

    The time of flight is
    D/(Vcos 45) = 2.32 seconds

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