Author Question: When a hot object makes thermal contact with a cold object, the direction of A) temperature is ... (Read 69 times)

berenicecastro · **on:** Jul 29, 2018

When a hot object makes thermal contact with a cold object, the direction of

A) temperature is from hot to cold.
B) internal energy flow is from hot to cold
C) both of these
D) neither of these

Question 2

The solar constant is the

A) input of solar energy per square meter atop Earth's atmosphere.
B) difference between solar energy atop the atmosphere and that reaching ground.
C) maximum amount of energy Earth receives from the Sun.