A solid disk, spinning counter-clockwise, has a mass of #7 kg# and a radius of #8 m#. If a point on the edge of the disk is moving at #2 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?

Question

1329 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-03-05T18:27:09

#omega = 0.25rads^-1#

#p = 1.75kgm^2s^-1#

Angular velocity is given by

#omega = v/r = 2/8 = 0.25#

#p = momega = 7 xx 0.25 = 1.75#