A UFO of mass=4000 kg is moving with a velocity of 50 m/s. The momentum of the UFO is:
200,000 kg*m/s
A. 200,000 J
B. 5,000,000 kg*m/s
C. 5,000,000 J
D. None of the above

Which situation will produce the greatest change of momentum

Which accounts for an increase in the temperature of a gas that is kept a constant volume

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?