Science
1) Swaralee takes 20 s to carry a bag weighing 20 kg to a height of 5 m. How
much power has she used ?
Answers
Answered by
0
Answer:
50W
Explanation:
as we know...
power = work/time
so, work = 20×5
= 100j
therefore, power = 100/20
= 50w
hope it helps..!!
Answered by
0
USE Power= Energy upon time
Here energy is in the form of potential energy which has a value of mgh
refer to the picture
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