Slanted Surfaces Without Friction: a System Comprising Blocks, a Light

Multiple Choice

Slanted surfaces without friction: A system comprising blocks, a light frictionless pulley, a frictionless incline, and connecting ropes is shown in the figure. The 9.0-kg block accelerates downward when the system is released from rest. The tension in the rope connecting the 6.0-kg block and the 4.0-kg block is closest to

A) 30 N.
B) 33 N.
C) 36 N.
D) 39 N.
E) 42 N.