Acar is traveling at 20 meters/second and is brought to rest by applying brakes over a period of 4 seconds. what is its average acceleration over this time interval?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.