Energy per unit time" is a quantity called Power.
Which of the following combinations has the same units as power?
A. length squared times mass over time squared
B. persimmons.
C. speed times mass times acceleration over time
D. Force times acceleration
E. {potential energy minus kinetic energy} times time
F. Force times velocity
G. speed squared times mass
H. mass time acceleration
I. mass squared times acceleration.
Answer: F. Force times velocity
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