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Question

The same horizontal force acts on two blocks of masses 4 kg and 2 kg resting on a smooth horizontal surface. The ratio of the times taken by them to cover equal distances is :

A
2:1
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B
1:2
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C
1:2
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D
2:1
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Solution

The correct option is C 2:1
Distance covered by a object of mass m, initially at rest, acted upon by a force is s=12(at2).
So, t1t2=a2a1=m1m2=21

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