Two blocks of masses \( 0.2 \mathrm{~kg} \) and \( 0.5 \mathrm{~kg} \), which are placed \( 22 \...

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Two blocks of masses \( 0.2 \mathrm{~kg} \) and \( 0.5 \mathrm{~kg} \), which are placed \( 22 \mathrm{~m} \) apart on a rough horizontal surface
\( \mathrm{P} \) \( (\mu=0.5) \), are acted upon by two forces of

W magnitude \( 3 \mathrm{~N} \) each as shown in figure at time \( t=0 \). Then, the time \( t \) at which they collide each other is
(1) \( 1 \mathrm{sec} \)
(2) \( \sqrt{2} \mathrm{sec} \)
(3) \( 2 \sec \)
(4) None of these
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