(10.04 hc) the temperature of a chemical reaction ranges between −10 degrees celsius and 50 degrees celsius. the temperature is at its lowest point when t = 0, and the reaction completes 1 cycle during a 6-hour period. what is a cosine function that models this reaction?

What are similarities and differences between refraction, reflection, diffraction and absorption?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?