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A girl performed 50 J of work lifting a heavy box. It took her 5 seconds to lift the box. What was her power?

A girl performed 50 J of work lifting a heavy box. It took her 5 seconds to lift the box. What was her power?
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A girl performed 50 J of work lifting a heavy box. It took her 5 seconds to lift the box. What was her power?

User AjinkyaSharma
by
8.4k points

2 Answers

1 vote

Answer:

it is 10 W

Step-by-step explanation:

User Azzy Elvul
by
8.3k points
5 votes
The formula for power is:
P = W / T (Power = Work / Time).

We have 50 Joules of work.
We have 5 seconds of time.

Let's plug in our numbers.
P = 50 / 5

Divide 50 / 5
50 / 5 = 10.

Your power is 10 Joules per second.

I hope this helps!
User Ansorensen
by
8.9k points
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