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A man of mass 40kg in standing on a unif...

A man of mass `40kg` in standing on a uniform plank of mass 60kg lying on horizontal frictionless ice. The masn walks from one end to the other end of the plank. The distance walked by the man relative to ice is (given length of plank `=5m`)

A

`2m`

B

`3m`

C

`5m`

D

`4m`

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The correct Answer is:
B
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