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A body cools in 7 minutes from 60^(@)C t...

A body cools in 7 minutes from `60^(@)C` to `40^(@)C`. What will be its temperature after the next 7 minutes? The temperature of the surrounding is `10^(@)C`. Assume that Newton's law of cooling holds good throughout the process.

A

`8^@C`

B

`24^@C`

C

`28^@C`

D

`32^@C`

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