Write down the equations for the instantaneous charge and current for charging and process in a dc RC series circuit. At t = RC, find the percentage of charges and currents in both the processes? How to find the time constant from current vs. time and charge vs. time graphs.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?