Question

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Hello Friends!

Question:

A electric fan of 500 watt is running from electric current.If the mass of fan is 10 kg and if it runs per 10 hour, Find its Velocity.

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Answer 1

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Answer 2

Given,
power = 500w
time = 10hrs = 36000sec.
mass = 10kg

We know that ,

So, putting the given values and finding the magnitude of energy.


Now, we have magnitude of energy i.e. 1.8*10^7 Joule.

So, we can find velocity from the formula of kinetic energy.


Hence, the velocity = 600√10 m/s

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