Create a list of the different methods or ways that tonya could communicate the new policy to the staff members

She could text/email,report it to them personally,post up flyers,tell one person to spread it around

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.