Vocabulary
Speed that stays the same
Constant Speed
Speed: 10 m/s
Distance: 40 m
Time: ?
4 s
904 ft --> m
275.61 m
True or False: A graph can not show a change in speed.
False
Time: 3 s, 3 s, 1 s
1 cm/s
The total distance divided by the total time
Average Speed
Speed: ?
Distance: 2042 mi
Time: 22 hr
92.82 mph
82 s --> min
1.37 min
If a graph has a diagonal straight line, what does this mean for the speed?
The speed is constant.
Distance: 10 m, 34 m, 19 m
Time, 2 s, 24 s, 93 s
0.45 m/s
A ration used to convert from one unit to another
Conversion Factor
Speed: 125 kmh
Distance: ?
Time: 25 h
3125 km
629 min --> hr
10.48 hr
If the graph is rapidly curving upwards, what does this mean for the speed?
They are increasing speed OR They are accelerating
John drove 50 mi in 3 hours and then another 2 hours for 60 mi.
54 mph
A measurement that is consistent
Speed: 8 mph
Distance: 408 mi
Time: ?
51 h
34 m/s --> mph
76.16 mph
If the graph has a horizontal flat line on a graph, what is the speed?
Zero
A cyclist rides for 2 hr at a speed of 10 mph. They then stop for an hour, and then ride for another 3 hours at a speed of 12 mph.
9.33 mph
A quantity that can change
Variable
Speed: ?
Distance: 405,824 km
Time: 602 hr
674.13 kmh
501 mph --> kmh
806.11 kmh
If the graph goes up and back down, what happened at the peak?
Micky Mouse walks to Donald Ducks house which is 20 km away and takes him 1 hr, he stays with Donald for 2 hrs. Mickey then visits Goofy 35 km away and take him 3 hr, he stays with goofy for 5 hrs.
5 km/h