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AP® Physics 1 & 2

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Moderate

Not Isolated

APPH12-LYXEKU

Bob, being the forgetful person he is, left his office window open when he left for the evening. The air temperature during the day was 22 C. At night the outside air temperature drops to 10 C. Which of the following is true? (Assume the air pressure remains constant.)

A

The mass of the office contents in the morning is equal to that of the previous day.

B

The mass of the office contents in the morning is greater than that of the previous day.

C

The mass of the office contents in the morning is less than that of the previous day.

D

There is not enough information to determine.