Q6: The 2.5-Mg pickup truck is towing the 1.5-Mg car using a cable as shown. If the car is initially at rest and the truck is coasting with a velocity of 30 km/h when the cable is slack, determine: 1. The common velocity of the truck and the car just after the cable becomes taut. 2. The loss of energy. [ Ans. (1) v2 = 5. 21 m/s + , (2) AE = 36.6 kJ ] 30 km/h

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