A system comprising blocks, a light frictionless pulley, and connecting ropes is

Question

A system comprising blocks, a light frictionless pulley, and connecting ropes is shown. The coefficient of kinetic friction between the incline and the masses is 0.1. The 9-kg block accelerates downward when the system is released from rest. The acceleration of the system is closest to: (take g=10 m/s2) (Hint: combine the two blocks on the incline into a one block of 10 kg mass)

Possible answers:

3.7

1.6

1.2

2.1

1.9

A system comprising blocks, a light frictionless pulley, and connecting ropes is shown. The coefficient of kinetic friction between the incline and the masses is 0.1. The 9-kg block accelerates downward when the system is released from rest. The acceleration of the system is closest to: (take g=10 m/s2) (Hint: combine the two blocks on the incline into a one block of 10 kg mass) 3.7 1.6 1.2 2.1 1.9

Explanation / Answer

We find the acceleration is 1.61

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