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**1.A solid cylinder rolling down a ramp without slipping.**

if the surface were slippery, would the time increase or dcrease.

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

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 to the equations on top. This should also relate to the force, since the friction of the ramp will decrease due the the rain. I am really not sure how to start this problem. @[email protected]**