As compared to Jack, Jill does twice the work in half the time. Jill's power output is
A) the same as Jack's power output.
B) one-fourth as much as Jack's power output.
C) one-half as much as Jack's power output.
D) twice Jack's power output.
E) four times Jack's power output.

Question

Quizplus · Accepted Answer

Power is defined as work done per unit time. Since Jill does twice the work in half the time compared to Jack, her power output is four times Jack's power output.

As Compared to Jack, Jill Does Twice the Work in Half