# Find the angular acceleration of the cylinder.

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A uniform cylinder, mass M= 25 kg, radius R= .75 m, is mounted on a fixed, frictionless bearing. From a cord wrapped on its surface a mass m=6.4 kg descends and rotates the cylinder with angular acceleration 'A'.

See attachment for picture of the apparatus.

a. Find the angular acceleration of the cylinder.

b. Find the tension, C, in the cord.

https://brainmass.com/physics/acceleration/angular-acceleration-cylinder-5689

#### Solution Preview

Solution:

a. For an axis at the center of the cylinder, 'Net torque' is 'C R', and the moment of inertia is '.5 M R^2'. Thus 'net torque= I alpha' is ...

#### Solution Summary

The angular acceleration of the cylinder are found. The tension is found.

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