First slide

Convection

Question

According to Newton's law of cooling, the rate of cooling of a body is proportional to (A0)", where A0 is the difference of the temperature of the body and the surroundings, and n is
equal to:

Easy

A

two
B

three
C

four
D

one

Solution

According to Newton's law of cooling, $\frac{dθ}{dt} \infty ∆ θ .$

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