Question: ( 7 ) : A 2 - kg block A and a 1 - kg block B are pushed together against a spring and tied

(7): A 2-kg block A and a 1-kg block B are pushed together against a spring and tied with a cord. When the cord breaks, the 1-kg block moves to the right at 8ms. What is the velocity of the 2 kg block?
( 7 ) : A 2 - kg block A and a 1 - kg block B are

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