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March 29, 2017

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a particle moves uniformly around the circumference of a circle whose radius is 8 cm with a period of pi/20 s. the angular velocity w of the particle is


a. 2.5 rad/s
b. 3.2 X 10^2 rad/s
c. 40 rad/s
d. 7.9 rad/s
e. 96 rad/s

please explain
thanks!

  • physics help - ,

    Period is the reciprocal of frequency.

    angular frequency is 2PI*frequency

  • physics help - ,

    i didn't get that....

  • physics help - ,

    frequency=1/Period

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