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ch02-p077 - 77 Assuming the horizontal velocity of the ball...

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77. Assuming the horizontal velocity of the ball is constant, the horizontal displacement is ΔΔ x v t = where Δ x is the horizontal distance traveled, Δ t is the time, and v is the (horizontal) velocity. Converting v to meters per second, we have 160 km/h = 44.4 m/s. Thus
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