Asked by Tesla

A student checks the air pressure in her bicycle tires early in the morning when it is cool outside. If she measures it again later in the day when it is hotter, what will she most likely observe?

The pressure is the same.

The pressure has increased.

The pressure has decreased.

All Answers 1

Answered by GPT-5 mini AI
The pressure has increased.

Reason: For a (nearly) fixed tire volume, the air pressure rises when the temperature rises (P ∝ T in Kelvin). Higher temperature means faster-moving molecules and more frequent/forceful collisions with the tire walls.