Question: Two blocks ( m 1 = 4 0 kg , m 2 = 3 0 kg ) are connected by a compressed spring, and are

Two blocks

(

1 = 40

,

2 = 30

)

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

/

,

what is the speed of the second block?

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