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A system ​S receives heat continuously from an electrical heater of power 10W. The temperature of S becomes constant at 50 ​• ​C when the surrounding temperature is 20 • ​C. After the heater is switched off S cools from 35.1 ​• C to 34.9 • ​C in 1 min. The heat capacity of S is???? ​

A system ​S receives heat continuously from an electrical heater of power 10W. The temperature of S becomes constant at 50​•​C when the surrounding temperature is 20​C. After the heater is switched off S cools from 35.1​•C to 34.9​C in 1 min. The heat capacity of S is????

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