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NEET · Physics · STD 11 - 4.1 newtons laws of motion

Two blocks \(A\) and \(B\) of masses \(3\,m\) and \(m\) respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of \(A\) and \(B\) immediately after the string is cut, are respectively

  1. A \(g,g\)
  2. B \(\frac{g}{3},\frac{g}{3}\)
  3. C \(\;g,\frac{g}{3}\)
  4. D \(\;\frac{g}{3},g\)
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(D) \(\;\frac{g}{3},g\)

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