Physics, 16.12.2020 18:30 mattmore0312
A 2 kg mass moving to the right makes an elastic head-on collision with a 4 kg mass moving to the left at 4 m/s. The 2 kg mass reverses direction after the collision and moves at 3 m/s. The 4 kg mass moves to the left at 1 m/s. What was the initial velocity of the 4 kg mass?
Answers: 1
Physics, 22.06.2019 17:30, ciaotaylor
Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.
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Physics, 22.06.2019 17:50, marianamartinez6
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
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A 2 kg mass moving to the right makes an elastic head-on collision with a 4 kg mass moving to the le...
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