What is the answer to "A plane is basically a 2D surface. Think of a piece of paper with a happy face drawn on it. You can pick that paper up, face it in whatever direction you want, but unless you fold or roll the paper, the image is flat."

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.)

Atoms in a molecule are bonded together by sharing gaining or losing_

How does an increase in temperature generally affect the rate of a reaction?