Using the Stefan-Boltzmann Law, how much energy (in W/m2) would the Earth's surface be emitting if its surface temperature was 300k? a. 450 W/m2 b. 460 W/m2 c. 500 W/m2 d. 420 W/m2 How many cooling degree days would there be in a city when the maximum temperature is 95°F and the minimum temperature is 75°F (assume a vase temperature of 65°F) a. 40 cooling degree days b. 20 cooling degree days c. 35 cooling degree days d. 40 cooling degree days How many heating degree days would there be in a city when the maximum is 40°F and the minimum temperature is 20°F (assume a base temperature of 65°F) a. 40 heating degree days b. 20 heating degree days c. 35 heating degree days d. 40 heating degree days Suppose the sun's average temperature increases from 6000 K to 12,000 K. What is the wavelength (in micrometers) at which the sun would be emitting the majority of its radiation (Use Weins Law to calculate the wavelength)