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A,B and C are three persons who can row ...

A,B and C are three persons who can row their boats with speeds 10 m/s 7 m/s and 3 m/s respectively in still water Velociy of flow of water in a river is 7 m/s All start rowing their boats upstream then

A

Work done on A by water w.r.t. B is positive

B

Work done on B by water w.r.t. bank of river is zero

C

Work done on C by water w.r.t. B is negative

D

Work done on B by water w.r.t. C is positive

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The correct Answer is:
A, B, C, D
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)
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