Asked by Sandy
A solid, uniform disk of radius 0.250 m and mass 51.1 kg rolls down a ramp of length 4.60 m that makes an angle of 18° with the horizontal. The disk starts from rest from the top of the ramp.
a)Find the speed of the disk's center of mass when it reaches the bottom of the ramp. ________m/s
b)Find the angular speed of the disk at the bottom of the ramp._________rad/s
a)Find the speed of the disk's center of mass when it reaches the bottom of the ramp. ________m/s
b)Find the angular speed of the disk at the bottom of the ramp._________rad/s
Answers
Answered by
bobpursley
Remember KE consists of rotational, and translation, and translational speed is related to rotational.
V=wr/2PI
V=wr/2PI
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