You toss a ball straight up. Let t = 0 be the time just after you...

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Physics

You toss a ball straight up. Let t = 0 be the time just afteryou throw the ball, let t = treturn be the time just before it theball returns to your hand (motion is in free fall). The only knownsare treturn, g, H (max height), Viy. Use yf = yi+Viy(deltat)-(1/2)g(delta t)^2 to determine the two times when the ball is athalf of its maximum height.

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4.3 Ratings (1144 Votes)

Given that yf yi Viydelta t 12gdelta t2 yi 0 since initially ball was at ground yf H2 since final position at half of its maximum height Viy Initial vertical velocity g acceleration due to gravity delta t t t0 t0 time when ball is See Answer

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