When the driver of a moving car uses the brakes, we describe the car’s movement as a decelerating motion because the car’s speed decreases as time passes. The ratio d/t remains constant in the...
Safety skills To avoid the dangers of exceeding prescribed speeds and to save souls , Traffic instructions should be followed such as leaving an appropriate distance between vehicles to allow the driver to stop...
Uniform acceleration and non-uniform acceleration are two ways to describe how the velocity (speed and direction) of an object changes over time. If the velocity of an object is changed from one point to...
The physical quantity is any quantity that can be determined and has a unit of measurement in our life, each physical quantity is measured in a special measurement unit, such as the mass, the...
