Question

A popcorn maker transfers 250 J of energy into other energy stores every second. What is its power

Answer 1

Answer:

Given,

Energy (E) = 250J

Time (t) = 1sec

Power (p) =?

We know that:-

Power (p) = Energy (e) / time (t) = 250J/1sec

= 250watts

∴ Power (p) = 250watts

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Answer 2

Given:

Energy = 250 J

Time = 1 second

To find:

Power

Solution:

Power = Work done / time

           = 250Watts

Hence, the power is 250 Joule per second or Watts.