On a Frictionless Horizontal Table,two Blocks (A of Mass 2

question 48

Multiple Choice

On a frictionless horizontal table,two blocks (A of mass 2.00 kg and B of mass 3.00 kg) are pressed together against an ideal massless spring that stores 75.0 J of elastic potential energy.The blocks are not attached to the spring and are free to move free of it once they are released from rest.The maximum speed achieved by each block is closest to

• A) 6.71 m/s (A), 4.47 m/s (B).
• B) 4.47 m/s (A), 6.71 m/s (B).
• C) 5.48 m/s for both.
• D) 6.12 m/s (A), 5.00 m/s (B).
• E) 5.00 m/s (A), 6.12 m/s (B).

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