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Mechanical Energy

A body of mas...

Question

A body of mass $5 k g$ falls from a height of $30$ metre. If its all mechanical energy is changed into heat, then heat produced will be:

350

cal

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150

cal

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60

cal

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6

cal

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Solution

The correct option is A $350$ cal
Hence, option $C$ is correct answer.

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Similar questions

5 kg

30 metres

[Take g = 9.8 {m/s}^{2} and J = 4.2 J/cal]

5 kg

30 metres

[Take g = 9.8 {m/s}^{2} and J = 4.2 J/cal]

5 k g

30

50

(1 c a l = 4.2 J) .

500 c a l

350 c a l

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