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9. If 100 J of work is done in 20 second the power is .. 200-watts 20,000watts 5 watts 80watts
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5 votes
9. If 100 J of work is done in 20 second the power is ..

200-watts
20,000watts
5 watts
80watts

User Mayur Koshti
by
8.1k points

2 Answers

2 votes
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User Antzi
by
8.6k points
3 votes
Answer is 5 watts.


Using the equation:
w=pt

W = work done (J)
P = power (Watts)
T = Time (s)

Substitute the values into the equation.

100 = 20p

Power = 5 watts
User Ranj
by
8.1k points
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