A frictionless pulley, which can be modeled as a 0.81 kg solid cylinder with a 0.31 m radius, has a rope going over it,

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A Frictionless Pulley Which Can Be Modeled As A 0 81 Kg Solid Cylinder With A 0 31 M Radius Has A Rope Going Over It 1 (8.21 KiB) Viewed 67 times

A Frictionless Pulley Which Can Be Modeled As A 0 81 Kg Solid Cylinder With A 0 31 M Radius Has A Rope Going Over It 2 (6.32 KiB) Viewed 67 times

A Frictionless Pulley Which Can Be Modeled As A 0 81 Kg Solid Cylinder With A 0 31 M Radius Has A Rope Going Over It 3 (10.74 KiB) Viewed 67 times

A Frictionless Pulley Which Can Be Modeled As A 0 81 Kg Solid Cylinder With A 0 31 M Radius Has A Rope Going Over It 4 (3.33 KiB) Viewed 67 times

A frictionless pulley, which can be modeled as a 0.81 kg solid cylinder with a 0.31 m radius, has a rope going over it, as shown in Figure 1).

12 N 10 N

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.

Q rad/s2