Do Now!

1 / 41

# Do Now! - PowerPoint PPT Presentation

Do Now!. Last lesson. Speed investigation. Today’s lesson. Interpreting distance-time and speed-time graphs. Distance against time graphs. distance. time. No movement?. distance. time. No movement. distance. time. Constant speed?. distance. time. Constant speed. distance. time.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about ' Do Now!' - malo

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Last lesson

Speed investigation

Today’s lesson
• Interpreting distance-time and speed-time graphs
No movement?

distance

time

No movement

distance

time

Constant speed?

distance

time

Constant speed

distance

time

Constant speed

distance

The gradient of this graph gives the speed

time

Constant speed

How would the graph look different for a faster constant speed?

distance

time

Constant speed

fast

distance

time

Constant speed

fast

How would the graph look different for a slower constant speed?

distance

time

Constant speed

fast

distance

slow

time

Getting faster

distance

time

Examples

distance

time

No movement?

speed

time

No movement

speed

time

Constant speed

How would the graph look different for a faster constant speed?

speed

time

Constant speed

speed

fast

time

Constant speed

How would the graph look different for a slower constant speed?

speed

fast

time

Constant speed

speed

fast

slow

time

Getting faster? (accelerating)

speed

Constant acceleration

time

Getting faster? (accelerating)

speed

The area under the graph gives the distance travelled

time

Example:

speed

time

distance

speed

time

time

Be careful!

distance

speed

time

time

No movement

distance

speed

time

time

Constant speed

Area = distance travelled

distance

speed

time

time

Constant acceleration

Area = distance travelled

Investigating rolling balls!
• Prediction
• Table of results (Mass, circumference or diameter, Distance, time (measured several times), speed)
• Suitable graph
• Conclusion
• Evaluation