What is the angular acceleration of the hoop

Reference no: EM13342834

A light string is wrapped around a 0.20-kg hollow 0.080-m-radius hoop. The hoop is released from rest and the free end of the string is pulled upwards such that the center of the mass of the ring does not move.

(a) What is the angular acceleration of the hoop?

(b) What is the linear acceleration of a point on the rim of the hoop after a half a meter of string has been unwound?

Reference no: EM13342834

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