All of us are familiar with the formula Power= Work/Time
We have derived a new formula for Power.....
Power = mav where m = mass a = acceleration v = velocity PROOF :- P = W/t
P= Fs/t where F = force and s = diplacement .
Therefore,
P = ma x s/t ,
P = mav coz displacement/time gives u the velocity &
"The speed need not be constant"
HENCE THE FORMULA IS Power = mav
Note by
Skanda Prasad
3 years, 8 months ago
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Top NewestWork is not equal to power/time. But work is equal to Power*time!!!
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thanks for correcting my post. it would have misleaded the people following me. I accidently put W in place of P and vice-versa.
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No probs...:):)
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Be specific ! It is not valid always ... Actually It is Instantenous Power at time t=t , but for any time interval it is changes , and we have to find it's average value .!
So It is request to you please Re- Edit this note , so that It doesn't misguide other's Thanks !
@Skanda Prasad
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2 equal perpndicular forces, if the angle between resultant force and x axis is 45 degree and resultent force =20 n , find a] fx b] fy c] vector product d] scalar product
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by the way this is already a formula widely known for power
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dude that formula already exists
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What is a dichromatic light ray
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Awesome
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Thanks !! dude !!
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hey! that was to be corrected............... told me this morning! good luck!
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