Two cars are accelerating toward each other at 25m/s^2. One care has a mass of 25000kg, the other has a mass of 35000kg. How much force will the more massive one exert?(Remember your units)

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?