Two railroad cars, each of mass 2.0 × 104kg, are connected by a cable to each other, and the car in front is connected by a cable to the engine as shown in Figure P6.11. The cars start from rest and accelerate to a speed of 1.5 m/s after 1 min.
(a) Find the work done by cable 1 on the car in the back.
(b) Find the work done by cable 1 on the car in front.
(c) Find the work done by cable 2 on the car in front.
Figure P6.11
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