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Please help me! 7th grade science! A girl uses 60j of energy to move a box from the floor to a shelf. How much power does she use if it takes her 3 seconds to move the box? 15watts 20watts 90watts 180watts
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Please help me! 7th grade science!

A girl uses 60j of energy to move a box from the floor to a shelf. How much power does she use if it takes her 3 seconds to move the box?
15watts
20watts
90watts
180watts

User Centic
by
6.7k points

1 Answer

6 votes

Answer:

The answer is 20 watts

Explanation:

power=joules/seconds

60/3=20

User Ibe Vanmeenen
by
7.5k points
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