Question

A solid copper sphere of radius are painted black cat initial temperature at 200 kelvin is suspended inside

Answer 1

Answer:

 · A solid copper sphere (density rho and specific heat c) of radius r at an initial temperature 200K is suspended inside a chamber whose walls are at almost 0K. The time required for the temperature of the sphere to drop to 100K is ……. Here the -ve sign shows that the temperature is decreasing with time.............................

Answer 2

It's 273 kelvin actually the soil copper sulphur....

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