A bug is sitting on the rim of a rotating record. The record has a radius of 25c

Question

A bug is sitting on the rim of a rotating record. The record has a radius of 25cm and rotates at 72 rpm. What is angular spped in (in rad/s) of the record. What is the tangential speed of the bug(m/s) and whar is the centripetal acceleration of the bug?
A bug is sitting on the rim of a rotating record. The record has a radius of 25cm and rotates at 72 rpm. What is angular spped in (in rad/s) of the record. What is the tangential speed of the bug(m/s) and whar is the centripetal acceleration of the bug?

Explanation / Answer

radius r= 25 cm =0.25 m rotational speed w = 72 rpm = 72* 2(pi) rad / 60 s = 7.539 rad / s Angular speed w = 7.539 rad / s tangential speed v = rw = 1.884 m / s centripetal accleration a = v^ 2/ r = 14.21 m / s^ 2

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