A solid copper sphere (density rho and specific heat c) of radius r at an initial temperature 200 K is suspended inside a chamber whose wall are at almost 0K. The time required for the temperature of the sphere to drop to 100 K is

A solid copper sphere (density rho and specific heat c) of radius r at

1.	A solid copper sphere (density rho and specific heat c) of radius r at an initial temperature 200 K is suspended inside a chamber whose wall are at almost 0K. The time required for the temperature of the sphere to drop to 100 K is
Answer» `9.32rho RC` `3.1 RHO C` `0.008 rho rc` `1.71 rho rc` ANSWER :D