1.A solid cylinder rolling down a ramp without slipping.
if the surface were slippery, would the time increase or dcrease.
2. PE+KE = PE +KE
mgh = 1/2IW^2+1/2mv^2
F=ma
f= mgsin(theta)/(1+mR^2/Icm)
3. Apperantly this question has several parts. The previous ones were related...