A body cools at the rate of 0.5^(@)C//s ...

A body cools at the rate of `0.5^(@)C//s` when it is `50^(@)C` above the surrounding temperature. The rat of cooling at excess temperature of `30^(@)C` over the surrounding temperature is

A

`3^(@)C//s`

B

`0.3^(@)C//s`

C

`0.2^(@)C//s`

D

`0.1^(@)C//s`

Text Solution

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The correct Answer is:

B

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