An object whose temperature is 750C cools in an atmosphere of constant temperature 250 C, at the rate of k being the excess temperature of the body over that of the temperature. If after 10min , the temperature of the object falls to 650 C , find its temperature after 20 min. Also find the time required to cool down to 550C.
An object whose temperature is 750C cools in an atmosphere of constant temperature 250 C, at the rate of k being the excess temperature of the body over that of the temperature. If after 10min , the temperature of the object falls to 650 C , find its temperature after 20 min. Also find the time required to cool down to 550C.
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- An object whose temperature is 750C cools in an atmosphere of constant temperature 250 C, at the rate of k being the excess temperature of the body over that of the temperature. If after 10min , the temperature of the object falls to 650 C , find its temperature after 20 min. Also find the time required to cool down to 550C.
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