72_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 Given: θ 30 deg = v A 40 ft s = g 32.2 ft s 2 = Solution: Guesses t 10 s = R 1f t = Given v A sin () tR cos = 1 2 gt 2 v A cos t + R sin = t R Find , = t 2.87 s = R 66.3 ft = * Problem 12-92 The man stands a distance d from the wall and throws a ball at it with a speed v 0 . Determine the angle at which he should release the ball so that it strikes the wall at the highest point possible. What is this height? The room has a ceiling height
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