50 J of work was performed in 20 seconds. How much power was used to do this task? A. 4 W B. 24.5 W C. 0.4 W D. 2.5 W

asked Feb 13, 2019 157k views

3 votes

9.0k points

0 Comments

Please log in or register to add a comment.

4 votes

The Correct answer to this question for Penn Foster Students is: 2.5 W

8.7k points

0 Comments

3 votes

Power(P) = Work / time (W/t)
P = 50/20 = 2.5 W

8.4k points

0 Comments

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers