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B. Which of these uses the most power? Explain your answer.
1) 160 J of work in 8 seconds
2) 80 J of work is 4 seconds
3) 180 J of work in 9 seconds


Sagot :

Answer:

p=w/t

160/8=20

80/4=20

180/9=20

...so..all these uses equal power