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

When a force (8i + 4j) newton displace a particle through (3i- 3j) met

1.	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
Answer» 20s 7.2s 72s 2s Answer :A