Distance

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# Distance - PowerPoint PPT Presentation

Distance – Time Graph. Distance. Time. Distance – Time Graph. Click the picture below that matches graph A. Distance. A. Time. Distance – Time Graph. Click the picture below that matches graph B. Distance. B. A. Time. Distance – Time Graph.

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## PowerPoint Slideshow about 'Distance' - klarika

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Presentation Transcript

Distance – Time Graph

Click the picture below that matches graph A.

Distance

A

Time

Distance – Time Graph

Click the picture below that matches graph B.

Distance

B

A

Time

Distance – Time Graph

Click the picture below that matches graph C.

Distance

C

B

A

Time

Distance – Time Graph

Click the picture below that matches graph D.

D

Distance

C

B

A

Time

Steeper means faster!

Distance – Time Graph

E

Click the picture below that matches graph E.

D

Distance

C

B

A

Time

30

At this speed, how far would you travel

What’s the speed limit?

in 2 hours?

in ½ an hour?

in 10 minutes?

in 1 hour?

70

50

60

40

If I travel 10 miles in ¼ of an hour, what’s my speed?

If I travel 15 miles in ¼ of an hour, what’s my speed?

If I travel 70 miles in 1 hour, what’s my speed?

If I travel 25 miles in ½ an hour, what’s my speed?

345018

The unit for Distance is miles

The unit for Time is hours

Sowhat is the unit for speed?

mph

miles per hour

345018

The unit for Distance is kilometres

The unit for Time is hours

Sowhat is the unit for speed?

km/h

kilometres per hour

345018

The unit for Distance is metres

The unit for Time is seconds

Sowhat is the unit for speed?

m/s

metres per second

The speed of sound is 330 m/s. This is called Mach 1.

50

40

30

20

10

0

1

2

Distance – Time Graph

Distance (km)

Time (hours)

What speed?

1 hour to travel 20 km

So Speed = 20 km/h

50

40

30

20

10

0

1

2

Distance – Time Graph

Distance (miles)

Distance (miles)

?

Time (hours)

What speed?

2 hours to travel 30 miles

So Speed = 15 mph

Now do

Exercise 1,

Q. 1, 2 & 3

(HSDU Support Materials)

50

40

30

20

10

0

1

2

Distance – Time Graph

Distance (km)

Time (hours)

10 km in 1 hour, so 10km/h.

2¾ hours

(2 hours 45 minutes)

¼ of an hour

(15 minutes)

What was the speed for the first part of the journey?

How long did it take to run

40 km?

How long did she stop for?

Approximately 7½ kilometres.

How far in ¾ of an hour?

Distance – Time Graph

Slower

Stopped

Distance

Fast

Time