Speed Take measurements to calculate the speed L
- Slides: 11
Speed * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
What is speed? * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
How to we measure speed? What things do we need to measure? What units do we use? Do we always use the same units? * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
Measuring our speed • We need to know the distance • We need to know the time it takes to move this distance • Speed = distance ÷ time * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
Distance m Distance Speed = * Take measurements to calculate the speed (L 3) Time s Time ÷ ** State the equation for measuring speed and name units (L 4) = m/s *** Explain how to calculate the speed and produce a motion graph (L 5)
Motion graphs * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
Time (s) Distance (m) * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
Name Mr Butler Time (s) 0 20 40 80 120 150 180 190 Distance (m) 0 10 20 30 40 50 60 70 80 70 60 50 40 30 20 10 0 0 20 * Take measurements to calculate the speed (L 3) 40 60 80 100 120 140 ** State the equation for measuring speed and name units (L 4) 160 180 200 *** Explain how to calculate the speed and produce a motion graph (L 5)
Calculating your speed on a motion graph 80 Distance (m) 70 60 Distance = 20 m 50 40 30 Time =60 s 20 10 0 0 20 40 60 80 100 120 140 160 180 200 To calculate speed at the fastest point • • Look for the steepest line Mark the start and end Work out the distance and time Use the speed equation to calculate speed Speed = distance ÷ time * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
Your graph • Mark on the graph where your speed was highest and lowest • Explain how you create a motion graph of someone running • Explain how you work out the speed of a person * Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
* Take measurements to calculate the speed (L 3) ** State the equation for measuring speed and name units (L 4) *** Explain how to calculate the speed and produce a motion graph (L 5)
- How to calculate average speed from a distance time graph
- The two measurements necessary for calculating speed are
- Take a bus or take a train
- Speed times distance
- Stability
- Speed time distance equation
- How to calculate average velocity
- Stall speed and load factor
- Time speed and distance formula
- How to calculate average speed
- How to find time with distance and speed
- Calculate average speed