A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 3.1 seconds a central angle of pie/18 radian has been covered, what is the angular speed of the ball?

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asked Sep 26, 2018 75.3k views

4 votes

A ball on the end of a string is spinning around a circle with a radius of 5 centimeters. If in 3.1 seconds a central angle of pie/18

radian has been covered, what is the angular speed of the ball?

Mathematics
college

Prompteus asked

by Prompteus

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1 Answer

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Angular speed is radians per second.

It covers pi/18 in 3.1 seconds.

Angular speed = (pi/18)/3.1

Arun Abraham answered Oct 1, 2018

by Arun Abraham

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