Converting Between Linear & Rotational Video Lessons

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Problem: A 200g block on a 50cm long string swings in a circle on a frictionless horizontal table at 75 rpm. What is the speed of the block and what is the tension on the string?

FREE Expert Solution

The speed of the block, v = rω

r is the length of the string and ω is the angular speed.

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Problem Details

A 200g block on a 50cm long string swings in a circle on a frictionless horizontal table at 75 rpm. What is the speed of the block and what is the tension on the string?

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