A frictionless pulley, which can be modeled as a $0.84 kg$ solid cylinder with a $0.35 m$ radius, has a rope going over it, as shown in (Fiqure 1). The tensions in the rope are $12 N$ and $10 N$ . What is the angular acceleration of the pulley? Express your answer in radians per second squared to two significant figures.

Question

A frictionless pulley, which can be modeled as a

0.84 kg

solid cylinder with a

0.35 m

radius, has a rope going over it, as shown in (Fiqure 1). The tensions in the rope are

12 N

and

10 N

. What is the angular acceleration of the pulley? Express your answer in radians per second squared to two significant figures.

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