If you put your backpack in the car and then drive to the mall, is your backpack in motion when comparing it to the system of the car? Does the backpack have kinetic energy while you are on your way to the mall?

Frequency of electromagnetic waves that a radio station is assigned is called

Contains chemical energy. a. heat b. light c. natural gas

An electron moves with a constant horizontal velocity of 3.0 × 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)