To give a 19-kg child a ride, two teenagers pull on a 4.2-kg sled with ropes, as indicated in the figure. Both teenagers pull with a force of 72 N at an angle of 35° relative to the forward direction, which is the direction of motion. In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 68 N. The magnitude of the acceleration of the sled+child is (enter your answer with two significant figures) possibly useful: (F)net = ma, (F)net = may 72 N 68 N a = (a, + a,12, 12 N 22 m/s Butim Previous Answers v Correct

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