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Wind Currents Due to Uneven Heating of Land and Water

a hot body pl...

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a hot body placed in air is cooled according to Newton's law of cooling,the rate of decrease of temperature being K times the temperature difference from the surroundings.starting from t=0,find the time in which the body will loss half the maximum temperature it can lose.

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Q. A hot body placed in air cooled down according to Newton's law of cooling, the rate of decrease of temperature being k times the temperature difference from the surrounding. Starting from t = 0, find the time in which the body will lose half the maximum heat it can lose.

Q. A hot body placed in a surrounding of temperature θ₀ obeys Newton's law of cooling

\frac{d θ}{d t} = - k (θ - θ_{0})

. Its temperature at t = 0 is θ₁. The specific heat capacity of the body is s and its mass is m. Find (a) the maximum heat that the body can lose and (b) the time starting from t = 0 in which it will lose 90% of this maximum heat.

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Wind Currents Due to Uneven Heating of Land and Water

Standard VII Physics

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