When a force (8i + 4j) newton displace a...

When a force `(8i + 4j)` newton displace a particle through `(3i- 3j)` metre, the power is 0.6W. The time of action of the force is

A

20 s

B

7.2 s

C

72 s

D

2 s

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Verified by Experts

The correct Answer is:

A

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