Distance Time Graphs OALH

Define Speed

Write the equation to calculate speed

Name 3 non-contact forces

What is the “dependent variable”?

Calculate the mean (average), ignoring the anomaly:

5.2 5.5 5.4 6.1

A boat travels 46 km in 60 minutes. What is its speed in km/h?

What does a straight line on a distance-time graph show?

What does a curved line on a distance-time graph show?

What does a horizontal line on a distance-time graph show?

State some units for distance

State the units for time

What does a straight line on a distance-time graph show?

What does a curved line on a distance-time graph show?

What does a horizontal line on a distance-time graph show?

State some units for distance

State the units for time

1. On a distance time graph a straight line shows us that the object is ________

2. On a distance time graph a horizontal line shows us that object is ________

3. On a distance time graph a curved line shows us the object is ________

We do:

calculate the speed the car is travelling from 20 to 30s

Calculate the speed of the car at the red line

Calculate the speed of the car at the green line

For how long is the motorbike at rest during the journey?

What distance has the motorbike travelled in the first 25 seconds?

What distance does the motorbike travel between 60 and 80 seconds?

Work out the speed of the motorbike during the first 10 seconds. Show your calculations.

Between what times did the motorbike travel at the lowest speed (not including the time it was at rest)? Give a reason for your answer

Work out the speed of the motorbike during the slowest time. Show your calculations.

Work out the speed of the motorbike between 60 and 80 seconds. Show your calculations.