8 Chapter 1 Practice Test
When an object is at rest, what is its speed?
0 m/s
Anthony walks to the pizza place for lunch. He walks 2 km east, then 1 km west and then 3 km east again. What was his displacement?
4 km east
On his fishing trip Justin takes the boat 12 km south. The fish aren't biting so he goes 4 km west. He follows a school of fish 1 km north. What was his displacement?
11.7 km
Chanice drives her scooter 7 kilometres north. She stops for lunch and then drives 5 kilometres south. What distance did she cover?
12 km
Joey drives his Skidoo 7 kilometres north. He stops for lunch and then drives 5 kilometres east. What distance did he cover?
12 km
On his fishing trip Justin takes the boat 12 km south. The fish aren't biting so he goes 4 km west. He follows a school of fish 1 km north. What distance did he cover?
17 km
Chanice drives her scooter 7 kilometres north. She stops for lunch and then drives 5 kilometres south. What was her displacement?
2 km North
Tara goes on a camel safari in Africa. She travels 5 km west, then 3 km east and then 1 km west again. What was her displacement?
3 km west
A sports car traveled at an average speed of 80 km/h for 30 minutes. What is the total distance covered in the 30-minute period?
40 km
A train traveled 150 km from its starting point in 3 hours. If the train continues at the same average speed for 5 hours, how far will it have traveled from its start?
400 km
Suppose that the average speed your dog can run is 3 m/s. How much time will it take your dog to run 150 m?
50 seconds
Anthony walks to the pizza place for lunch. He walks 2 km east, then 1 km west and then 3 km east again. What distance did he cover?
6 km
Preston goes on a camel safari in Africa. They he travels 5 km north, then 3 km east and then 1 km north again. What was his displacement?
6.7 km
Joey drives his Skidoo 7 kilometres north. He stops for lunch and then drives 5 kilometres east. What was his displacement?
8.6 km
Preston goes on a camel safari in Africa. They he travels 5 km north, then 3 km east and then 1 km north again. What distance did he cover?
9 km
Tara goes on a camel safari in Africa. She travels 5 km west, then 3 km east and then 1 km west again. What distance did she cover?
9 km
How velocity changes with time.
Acceleration
How constant velocity is shown in a speed-time graph?
a straight horizontal line
To calculate _____________________ you divide distance traveled by the time it takes to travel that distance.
average speed
The speed you read from your speedometer is your
instantaneous speed
What is the term for speed at any instant in time?
instantaneous speed
If your speed changes from 10 km/h to 6 km/h, you have a(n) _________________ acceleration.
negative
The slope of the line is the ___________ of the line over the _____________ of the line.
rise, run
To describe velocity you need to know _________________.
speed and direction
The acceleration of an object can be shown on a(n) _________________ graph.
speed-time
The ______________ the line the ________________ the speed.
steeper, faster
When you graph the motion of an object, you put _________________ on the horizontal axis and _________________ on the vertical axis.
time, distance
A distance-time graph shows a horizontal line. This means the velocity is _________________.
zero
If the line is horizontal, the slope is _____________.
zero