Dear Student, we know power=F→ v→=(20i^+15j^-5k^) (6i^-4j^+3k^)=120-60-15=45WorJ/s Regard

Q-24

Q-24 ) A r 3)) Newton i' n jt to — the is 7 joules joules +7 joule' Q ZZ 'Ibenngiebetweentwovet:fot. ood (C) 10 Q•Z3 between the (j ond (j L) particle moves with o velocity aim/ sunder the influence a conttant fort.e • 20; — N, The initanioneouti power applied the particle 45 J/s 35 Q-25 angle between p and i' 195 JL Two constant forces - 3B (N) and (N) act on body and displace position (m) to the position 10] What is the work done None o! these

Dear Student,

w e k n o w p o w e r = \vec{F} . \vec{v} = (20 \hat{i} + 15 \hat{j} - 5 \hat{k}) . (6 \hat{i} - 4 \hat{j} + 3 \hat{k}) = (120 - 60 - 15) = 45 W

orJ/s

Regard