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Distance - PowerPoint PPT Presentation


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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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slide2

Distance – Time Graph

Click the picture below that matches graph A.

Distance

A

Time

slide3

Distance – Time Graph

Click the picture below that matches graph B.

Distance

B

A

Time

slide4

Distance – Time Graph

Click the picture below that matches graph C.

Distance

C

B

A

Time

slide5

Distance – Time Graph

Click the picture below that matches graph D.

D

Distance

C

B

A

Time

slide6

Steeper means faster!

Distance – Time Graph

E

Click the picture below that matches graph E.

D

Distance

C

B

A

Time

slide7

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?

slide8

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?

slide9

345018

The unit for Distance is miles

The unit for Time is hours

Sowhat is the unit for speed?

mph

miles per hour

slide10

345018

The unit for Distance is kilometres

The unit for Time is hours

Sowhat is the unit for speed?

km/h

kilometres per hour

slide11

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.

slide12

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

slide13

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

slide14

Now do

Exercise 1,

Q. 1, 2 & 3

(HSDU Support Materials)

slide15

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?

slide16

Distance – Time Graph

Slower

Stopped

Distance

Fast

Time