A 1000 kg car is moving at 15 km/h. If a 2000kg truck has 18 times the kinetic energy of the car, how fast if the truck moving?
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Compare the kinetic energy of a 20,000-kg truck moving at 110 km/h with that of an 80.0-kg astronaut in orbit moving at 27,500 km/h.
Compare the kinetic energy of a 20000 kg truck moving with 110km/h with that of an 80 kg
astronaut in orbit moving at 27500 km/h.
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A 1000-kg car moving at 30m/s due north collides completely elastically with a 1250-kg truck heading north of east. After the collision, the truck is moving due north and the car is moving due east. Find the initial speed of the truck.