Question

A simple amusement park ride consists of a series of swings hung from a rotating bar, as shown. If the swing is allowed to pivot at the point where it connects to the rotating bar, determine how fast the bar must pivot for the swing to rise to an angle of θ-20°. Assume the mass of the swing is concentrated 8 feet from the connection, at the base of the swing. (13.1 ft/s) 12 ft 8 ft

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Answer #1

た=mv20= 20° 2 2. (12 8S)20) 32.17-4

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