You are at a red light in your car. the red light turns green, and you take your foot off the brake and step on the gas pedal, without turning the steering wheel. the speedometer changes from to in seconds. in those seconds, did the car change velocity? is that an acceleration

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

How to tell if a molecule is polar or nonpolar with electronegativity