Equations of Rotational Motion Video Lessons

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Problem: An old-fashioned vinyl record rotates on a turntable at 45 rpm. a. What is the angular speed in rad/s?b. What is the period of motion?

FREE Expert Solution

a.

1 rev = 2π rad

1 min = 60 s

Therefore, the angular speed is given as:

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Problem Details

An old-fashioned vinyl record rotates on a turntable at 45 rpm. 

a. What is the angular speed in rad/s?

b. What is the period of motion?

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