t a certain instant, a particle-like object is acted on by a force while the object's velocity is . What is the instantaneous rate at whic?

?2020-04-14T12:29:59Z

Favorite Answer

(a) power P = F•v
P = (2.10*-2.30 -3.20*0 +7.50*4) W = 25.2 W

(b) -3.20N * v_y = -12.0 W
so v_y = 3.75 m/s
(using only the y-component of the force)

Hope this helps!

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