Question
Physics 11

41. A tow truck pulls a car bv a cable that makes an angle of 21° to the horizontal. The tension in the cable is 6.5 x 103 N 21 (a) How large is the force that causes the car to move horizontallv? (b) How much work has the tow truck done on the car after pulling it 3.0 km? 42. A 550 kg car travelling at 24.0 m/s[E] collides head-on with a 680 kg pickup truck. Both vehicles come to a complete stop on impact. (a) What is the momentum of the car before the collision? (b) What is the change in the cars momentum? (c) What is the change in the trucks momentum? (d) What is the velocity of the truck before the collision?
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