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Two blocks of masses m and M [M= 4.5m] are located on a horizontal frictionless surface. A light spring is attached to one of them and the blocks are pushed together with the spring between them. A cord holding them together is burned, after which the block of mass M moves to the right with a speed of 3.14m/s. Find the speed of the block of mass m?
Answer in units of m/s.
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A baseball player slides into second base during a steal attempt. Assuming reasonable values for the length of the slide, estimate the average force of friction acting on the player
As observed from Earth, rocket Alpha moves with speed 0.814c and rocket Bravo travels with a speed of 0.638c. What is the speed of rocket Alpha
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