Q. 185.0( 1 Vote )

# A person of mass

The calories he has to burn to lose 5 kg mass

Now, as we know 1 cal = 4.2 J

Work done=

Let, while going up work done = mgh

Therefore, while coming down,

According to the question, work done

Total work done

Given,

Mass, m = 60kg

Height, h = 10m

let, g=10 m/s

While going up and coming down fat burnt

no. of times he has to go up and down=

He must go up and down 16334 times to reduce his weight by 5 kg.

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