Two blocks (m1 40 kg, m2 30 kg) are connected by a compressed spring, and are initially at rest. the spring breaks and the two objects fly apart from one another. if the speed of the first block is 15 m/s, what is the speed of the second block?
a. 15.0 m/s
b. 11.3 m/s
c.20.0 m/s
d. cannot be determined
Answers: 1
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