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The system shown in the diagram is released from rest. Pulley and string are massless. Neglect
\( \mathrm{P} \) friction everywhere. \( \left(g=10 \mathrm{~ms}^{-2}\right) \)

W
(1) Tension in the string during motion of both blocks is \( 20 \mathrm{~N} \)
(2) Acceleration of blocks during motion is \( 5 \mathrm{~ms}^{-2} \)
(3) Block B reaches ground in \( \frac{2}{\sqrt{5}} \mathrm{~s} \)
(4) All of the above statements are correct
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