A m 1 = 46.0 kg block and a m 2 = 104.0 kg block are connected by a string as in
ID: 1279818 • Letter: A
Question
A m1 = 46.0 kg block and a m2 = 104.0 kg block are connected by a string as in below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 46.0 kg block and incline is 0.250. Determine the change in the kinetic energy of the 46.0 kg block as it moves from A to B, a distance of 20.0 m. (Answer in joules)
A m1 = 46.0 kg block and a m2 = 104.0 kg block are connected by a string as in below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 46.0 kg block and incline is 0.250. Determine the change in the kinetic energy of the 46.0 kg block as it moves from A to B, a distance of 20.0 m. (Answer in joules)Explanation / Answer
A fbd shows that T = g(1+sin37+ukcos37)/(1/m+1/M) = 563.63 N
Ergo,
a = (Mg-T)/M = 4.39 m/s