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Power and measuring it
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9/3/2015

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RGUIIIT BASAR

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Summary

Summary

The rate at which work is done or energy is transferred is called as power.

P = F . v = Fvcos

Power = work/time = Energy/time =P.E/time = K.E/time

= (mgh)/t = (1/2mv2)/t

Power of motor

Power of heart

Power of lungs

Electrical power

Optical power

Power of wave

9/3/2015

30

RGUIIIT BASAR

Slide 31

Thank you

Thank you

Rajaiah.k

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