A sample of an ideal gas is in a tank of constant volume. The sample absorbs heat energy so that its temperature changes from 278k to 1688k

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.