A force vec(F) = (hat(i) - hat(j))N acts on a particle which moves with a velocity vec(V) = (-2 hat(i) - 3 hat(k)) m//s. Find the power delivered by the force. Usie the formula P = vec(F).vec(v)

A force vec(F) = (hat(i) - hat(j))N acts on a particle which moves wit

1.	A force vec(F) = (hat(i) - hat(j))N acts on a particle which moves with a velocity vec(V) = (-2 hat(i) - 3 hat(k)) m//s. Find the power delivered by the force. Usie the formula P = vec(F).vec(v)
Answer» `-3W` 0 `+3w` 6w Answer :A