What is the purpose of the component represented by the symbol

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver

Energy transformations that involve one transformation from one type of energy to another are called transformations.