ANSWER PLZZZ
Dan does 188.0 J of work raking leaves. If the rake does 128.0 J of work, what is the efficiency of the rake?
A. 68.1 percent
B. 147.0 percent
C. 60.0 percent
D. 316.0 percent
A force of 29.0 N is used to lift a baby through a distance of 0.500 m. How much work is done on the baby?
A. 29.5 J
B. 58.0 J
C. 14.5 J
D. 28.5 J