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Naily [24]
3 years ago
14

A light bulb uses 2,000 J of energy in 1 min and 20 s. What is the power of the light bulb?

Biology
2 answers:
jek_recluse [69]3 years ago
8 0
Work=2000 j
time=80 sec
power=w/t
         =2000/80
          =25 w
Anestetic [448]3 years ago
6 0
Power is defined as Work / Time.
With this formula, we can solve.

As of now, we are looking for the power
P=
We have 2,000J of work and 80s (simplified into seconds).
2,000 / 80

Rewrite our transitions into an equation.
P = 2,000 / 80

Divide 2,000 by 80.
2,000 / 80 = 25.

Your answer is:
25W (W is the unit for Watts)

I hope this helps!
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