Question: 885 A small pendulum bob is fastened to a weightless string of length 2 ft. The pendulum is swinging so as to make a maximum

885 A small pendulum bob is fastened to a weightless string of length 2 ft. The pendulum is swinging so as to make a maximum angle of 60 with the vertical. (a) What is the velocity of the bob when it is at its lowest point? (b) At what angle to the vertical is the cord when the bob has half the velocity in (a)? (c) What is the instantaneous acceleration of the bob at 60

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