Practice Quiz Speed and graphing.

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Presentation transcript:

Practice Quiz Speed and graphing

The formula 1. The formula for solving for speed is ____________________ . Honors: 2. The formula for solving for distance (in terms of time and speed) is _________________. 3. The formula for solving for time (in terms of distance and speed) is ____________.

Let’s practice 4. a skateboarder coasts A DISTANCE OF 25 METERS IN 5 SECONDS. WHAT IS THE PERSON’S SPEED? 5. HOW LONG DOES IT TAKE BATMAN TO DRIVE 20 KM AT A SPEED OF 50 M/S? DON’T FORGET TO ADJUST YOUR UNITS. 6. WHAT DISTANCE DOES A RUNNER GO IF HER SPEED IS 180 METERS PER MINUTE FOR 8 MINUTES?

GRAPHING 7. What is the speed for the 1st line segment? 8. What is the speed for the 2nd line segment? 9. What is the speed for the 3rd line segment? 10. What is happening during the last line segment?

graphing 11. What is happening on this graph? 12. How do you know?

Key S= d/t D= s x t T= d/s 5 m/s 400 s 1440 m 0.5 m/s 0 m/s 3 m/s The vehicle is going in reverse or turned around The vehicle is accelerating or speed up Because the slope of the line is constantly changing