Speed
Appearance
Speed is the distance that an object moves in the certain amount of time. Speed is the measure of how fast something is moving.
Speed is the scalar.
Finding speed
[edit]To find speed ,
where is the distance and is the time that has gone by.
Units of measurement for speed
[edit]There are many units of measurement for speed. For example, an object's speed can be measured in
- miles per hour (mph),
- kilometers per hour (km/h)
- meters per second (m/s), which is the SI-unit for speed.
Changing speed
[edit]Increasing speed is called acceleration. Decreasing speed is called deceleration, or negative acceleration.
Other uses
[edit]- Some people use the word "speed" to refer to amphetamine and methamphetamine, which are strong stimulant drugs.
External Links
[edit]See also
[edit]guided tour test guided tour test guided tour test guided tour test