What is the work done by gravity by the time

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A piñata of mass 3.50 kg is attached to a string tied to a hook in the ceiling. The length of the string is 0.78 m, and the piñata is released from rest from an initial position in which the string makes an angle of 56.4° with the vertical. What is the work done by gravity by the time the string is in a vertical position for the first time?

Reference no: EM13533085

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