How fast would a 2 kg ball be going if it has fallen 4 m.
(round to 1 decimal place)

plz ! : )

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

An observer that stands still as the electron moves by him, will observe