Constructive interference occurs when which of the following occurs?
A. Two interfering waves have a displacement in opposite directions.
B. The trough of a wave interferes with the crest of a second wave.
C. The crest of a wave interferes with the crest of a second wave.
D. At the point where there are nodes of standing waves.

On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281