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Artist 52 [7]
2 years ago
6

Pls help me I want to get this done

Physics
1 answer:
Simora [160]2 years ago
8 0
K:potassium
Cu:copper
Cl: chlorine
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A plane is flying due east with the velocity of 90m/s. The wind is blowing out of the north at 4m/s. What is the magnitude of th
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<span> as we know that the velocity vectors are at right angles
magnitude = ?
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2 years ago
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
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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}

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

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

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3 years ago
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