Question

Please Help!

A girl preformed 50 j of work lifting a heavy box it took her 5 seconds to life the box. What was her power?
A. 45 W
B. 50 W
C. 10 W
D. 250 W

Answer 1

Answer: C

Step-by-step explanation:

For this problem, we must divide.

50 ÷ 5 = 10

The answer to the question is 10

Answer 2

Step-by-step explanation:

Power is change in energy over time.

P = (50 J) / (5 s)

P = 10 W