How can you expalin the phenomena of three atoms needed to bond together two atoms with the law of the conservation

You have been called to testify as an expert witness in a trial involving a head-on collision. car a weighs 1515 lb and was traveling eastward. car b weighs 1125 lb and was traveling westward at 44.0 mph. the cars locked bumpers and slid eastward with their wheels locked for 22.5 ft before stopping. you have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750 . how fast (in miles per hour) was car a traveling just before the collision? (this problem uses english units because they would be used in a u.s. legal proceeding.)

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What are atoms of the same element with varying number of neutrons