a ball mass 2kgg is mvoing with velocity 5m/sec elastically collide with a ball of mass 5 kg which is moving with velocity 2m/s find the speed of separation.
A frictionless piston is used to provide a constant pressure of 400 kPa in a cylinder containing steam originally at 200 degree C with a volume of 2 m3. If 3500 kJ of heat is added.Calculate the final temperature
A vehicle of mass 1000kg is moving up an incline of 10° to the horizontal ground. determine the increase in potential energy when the vehicle covers 60m up the incline
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