Home
Class 12
PHYSICS
A solid sphere cools at the rate of 2.8^...

A solid sphere cools at the rate of `2.8^(@)C` per minute, when its temperature is `127^(@)C`. Find the rate at which another solid copper sphere of twice the radius looses its temperature at `127^(@)C`, in both the cases, the room temperature is maintained at `27^(@)C` is

Promotional Banner

Similar Questions

Explore conceptually related problems

A solid copper sphere cools at the rate of 2.8°C per minute, when its temperature is 127°C. Find the rate at which another solid copper sphere of twice the radius lose its temperature at 327°C, if in both the cases, the room temperature is maintained at 27°C.

A body cools at the rate of 4^@C per minute when its temperature is 70^@C . What will be its rate of cooling when its temperature is 50^@C ? (Assume temperature of surrounding to be 30^@C )

A metal sphere cools at the rate of 1.6^@ C /min when its temperature is 70^@ C . At what rate will it cool when its temperature is 40^@ C. The temperature of surroundings is 30^@ C.

A metal sphere cools at the rate of 1.6^@C/min when its temperature is 70^@C . At what rate will it cool when it's temperature is 40^@C . The temperature of the surrounding is 30^@C .

A metal sphere cools at the rate of 1.6^@C//min when itstemperature is 60^@C . At what rate will it cool when its temperature is 50^@C ? The temperature of surroundings is 30^@C .

A body cools at the rate of 3^(@)C// min when its temperature is 50^(@)C . If the temperature of surroundings is 25^(@)C then the rate of cooling of the body at 40^(@)C is

A metal sphere cools at the rate of 0.05^@ C/s when its temperature is 70^@ C and at the rate of 0.025^@ C /s when its temperature is 50^@ C . Determine the temperature of the surroundings and find the rate of cooling when the temperature of the metal sphere is 40^@C .

A hot body is placed in cold surroundings It's rate of cooling is 3^(@)C per minute when its temperature is 70^(@)C and 1.5^(@)C per minute when its temperature 50^(@)C it s rate of cooling when its temperature is 40^(@)C .