Energy and Momentum: A block of mass m = 9.0 kg and speed V and is behind a block of mass M = 27 kg and speed of 0.50 m/s, as shown int the figure. The surface is frictionless, and the blocks suddenly collide and couple. After the collision, the blocks have a common speed of 0.90 m/s. How much kinetic energy of the blocks is lost due to the collision?
A. 8.6 J
B. 2.0 J
C. 4.6 J
D. 11 J
E. 31 J
Answer: A
Physics & Space Science
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