A ceramic teapot $($$=0\mathrm{.}70)($$=0\mathrm{.}70)$ and a shiny one $($$=0\mathrm{.}10)($$=0\mathrm{.}10)$ each hold $0\mathrm{.}60$ LL of tea at $97$C$$C$.$

Part A

Estimate the rate of heat loss from each. Consider only radiation, and assume the surroundings are at $20$C$$C$.$

Express your answer using two significant figures. Enter your answers numerically separated by a comma.

Estimate the temperature drop after $30$ minmin for each.

Express your answer using two significant figures. Enter your answers numerically separated by a comma.