1. Speed and Velocity

2. An interval
An interval is a space between two objects, points, times, or other units of measurement.
An Interval

3. Speed
Speed is how fast an object moves in a time interval.

4. Speed and Velocity Velocity is speed with direction
The magnitude is the length of the line, representing how fast
Magnitude
Direction

5. What is motion measured in?
Speed
Descriptor: s
Units:
miles/hour (mi/hr)
meters/second (m/s)
kilometers per hour (km/hr)

6. What is motion measured in?
Time
Descriptor: t
Units:
Seconds (s)
Hours (hr)
Minutes (min)

7. What is motion measured in?
Distance
Descriptor: d
Units:
Meters (m)
Miles (mi)
Centimeters (cm)
Kilometers (km)

8. Calculating Speed
Speed = distance divided by time
s = d ÷ t

9. Calculating distance if given speed and time
Distance = speed times time
d = s x t

10. Calculating time if given distance and speed
Time = distance divided by speed
t = d ÷ s

11. Shortcut method Distance (d) Time Speed t s Distance = speed x time
Speed = distance ÷ time
Time t
Speed s
Time = distance ÷speed