Multiple Choice
If the surface temperature of the Earth is 290 K and that of the Sun is 6 000 K,assuming the same emissivities,what is the ratio of the energy radiated per square meter of the Earth to that of the Sun?
A) 0.48
B) 2.3 × 10-3
C) 6.4 × 10-5
D) 5.5 × 10-6
Correct Answer:

Verified
Correct Answer:
Verified
Q46: A 0.0040-kg lead bullet is traveling at
Q47: In typical calorimetry problems,what is the usual
Q48: A 38.0-kg cheetah accelerates from rest to
Q49: How does the heat energy from the
Q50: Pennies used to be made of copper,but
Q52: The inside of a house is at
Q53: Two stars,A and B,have the same emissivity,but
Q54: Which type of heating causes sunburn?<br>A)conduction<br>B)convection<br>C)radiation<br>D)all of
Q55: The thermal conductivity of copper is 397
Q56: If a 1 050-kg car was moving