Question

A solid disk of radius 6.50cm and mass 1.65kg , which is rolling at a speed of 2.60m/s , begins rolling without slipping up a 10.0 slope.How long will it take for the disk to come to a stop?

Answer 1

V = Vo + g*t = 0
t = (V-Vo)/g = (0-2.6)/-9.8 = 0.265 s.