In 1939 or 1940 emanuel zacchini took his human-cannonball, Ask an Expert

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In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over three Ferris wheels and into a net (see the figure). Assume that he is launched with a speed of 28 m/s and at an angle of 59°.

(a) Treating him as a particle, calculate his clearance over the first wheel.

(b) If he reached maximum height over the middle wheel, by how much did he clear it?

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