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MaRussiya [10]
3 years ago
7

One watt is A. equal to one kilogram per second B. the power that can be delivered by an average horse C. the same as one-foot p

ound per second D. the proper replacement unit for one joule per second E. the same as one horsepower per second
Physics
1 answer:
Naddik [55]3 years ago
8 0

Answer:

D. the proper replacement unit for one joule per second

Explanation:

When energy is divided by the time the energy was used we get power

P=\dfrac{E}{t}\\\Rightarrow P=\dfrac{mv^2}{t}\\\Rightarrow P=\dfrac{kg(\dfrac{m^2}{s^2})}{s}\\\Rightarrow P=kg(\dfrac{m^2}{s^2})}\times \dfrac{1}{s}\\\Rightarrow P=\dfrac{kgm^2}{s^3}

kg\dfrac{m^2}{s^2}=Joule

P=\dfrac{kgm^2}{s^3}

So, the answer is D. the proper replacement unit for one joule per second

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