Answer to Question #176222 in Physics for Zeeshan Hussain

Question #176222

A 4 kg block ‘A’ and a 3 kg block ‘B’are pushed together against a spring, and are tied with a cord. When cord breaks, the 3 kg block moves to the right at 18km/s. What is the velocity of the 4 kg block?

Expert's answer

"m_1v_1=m_2v_2\\\\3(18)=4v_2\\\\v_2=13.5\\frac{km}{s}"

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