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**Unformatted text preview: **equations of Chapter 4. With v o y = 0 (and using “ h ” for h 2 ) Eq. 4-22 gives the time-of-flight as t = 2 h/g . Then Eq. 4-21 (squared, and using d for the horizontal displacement) gives v 2 = gd 2 /2 h . Now, to find the speed v p at point P , we apply energy conservation, i.e.,...

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