KEAM 2010 Physics and Chemistry Paper

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Question : 43 of 119

Marks: +1, -0

A force (4

∧

i

+

∧

j

−2

∧

k

)N acting on a body maintains its velocity at (2

∧

i

+2

∧

j

+3

∧

k

)ms−1.
The power exerted is

4W
5W
2W
8W
1W

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