Acceleration is a little more complicated. It is defined as the rate of change of the object's velocity over its change in time. ... Or, if the acceleration is negative, it's called deceleration and describes something slowing down. For something to speed up or slow down, it has to have a certain change in velocity
They can keep organ tissue alive for transplantation.
The number of electrons in the outermost shell of an atom
The box will move to the right
