Asked by Sam
A solid disk is released from rest and rolls without slipping down an inclined plane that makes an angle of 25.0° with the horizontal. What is the speed of the disk after it has rolled 3.00 m, measured along the plane?
Answers
Answered by
bobpursley
change of GPE= lateral speed+ rotational speed
mg3/sin25= 1/2 mv^2+ 1/2 I w^2
but w=vr, then solve for v. Look up I for a solid disk.
mg3/sin25= 1/2 mv^2+ 1/2 I w^2
but w=vr, then solve for v. Look up I for a solid disk.
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