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+1 vote
571 views
in Differential Equations by (34.5k points)

If the surrounding air is kept at 20°C and the body cools from 80°C to 70°C in 5 minutes, the temperature of the body after 15 minutes will be….. 

(a) 51.7°C 

(b) 54.7°C 

(c) 52.7°C 

(d) 50.7°C

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1 Answer

+1 vote
by (29.6k points)

Correct option is: (b) 54.7°C

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