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Physics
Mechanics
Newton's Laws of Motion
A 4 kg mass and a 9 kg mass are being held at rest against a compressed spring on a frictionless surface. When the masses are released, the 4 kg mass moves to the east with a speed of 2m/s. What is the velocity of the 9 kg after the are released?
1 answer
9v-(4*2)=0 9v=8 v=0.89m/s
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