Two blocks of masses \( M=3 \mathrm{~kg} \) and \( m=2 \mathrm{~kg} \) are in contact on a horiz...

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Two blocks of masses \( M=3 \mathrm{~kg} \) and \( m=2 \mathrm{~kg} \) are in contact on a horizontal table. A constant horizontal force \( F=5 \mathrm{~N} \) is applied to block \( M \) as shown. There is a constant frictional force of \( 2 \mathrm{~N} \) between the table and the block \( m \) but no frictional force between the table and the first block \( M \), then the acceleration of the two blocks is
(a) \( 0.4 \mathrm{~m} / \mathrm{s}^{2} \)
(b) \( 0.6 \mathrm{~m} / \mathrm{s}^{2} \)
(c) \( 0.8 \mathrm{~m} / \mathrm{s}^{2} \)
(d) \( 1 \mathrm{~m} / \mathrm{s}^{2} \)
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