2a)(1) What is the potential difference across the 3 cells that are joined in
series? *

The average time that it takes for the car to travel the first 0.25m is s. the average time to travel just between 0.25 m and 0.50 m is s. given the time taken to travel the second 0.25 m section, the velocity would be m/s.

Heating water for hot cocoa while sitting next to a campfire can be examples of conduction, convenction and radiation at the same time agree disagree it depends how you know

What is reflection, what is refraction, and what is diffraction. what some similarities or differences between the three.