Two solid copper spheres of radii r1 = 15cm and r2 = 20cm are both at a temperature of 60C. If the temperature of surrounding is 50C

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Two solid copper spheres of radii r1 = 15cm and r2 = 20cm are both at a temperature of 60C. If the temperature of surrounding is 50C, then find a. The ratio of the heat loss per second from their surfaces initially. b. the ratio of rates of cooling initially.
01
Sep
Two solid copper spheres of radii r1 = 15cm and r2 = 20cm are both at a temperature of 60C. If the temperature of surrounding is 50C, then find a. The ratio of the heat loss per second from their surfaces initially. b. the ratio of rates of cooling initially. then find a. The ratio [...]
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