Science 20 Unit B Mid Unit Test
NAME:_____________________
DATE: _____________________
MARK:
/35
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20–B1.1k distinguish between scalar and vector quantities, including distance and
displacement, speed and velocity
1. Which of the following rows correctly completes the table?
Row
Scalar Quantity
Vector Quantity
a
Distance
Velocity
b
Displacement
Speed
c
Speed
Distance
d
Velocity
Displacement
2. An object travels 25 m east. This is a
a. Vector quantity
b. Scalar quantity
c. Both vector and scalar
d. Neither vector or scalar
Use the following information to answer the next question
William’s Lake and Kathleen’s Lake are two popular ice-fishing spots. To access these
lakes, people must park in the parking lot, shown on the map below and travel by
snowmobile along the trails shown on the map.
3. If the parking lot is the reference point, then which of the following rows
describes the position of both Gordon’s Creek and Kathleen’s Lake?
Row
Position of Gordon’s Creek
Position of Kathleen’s Lake
a
2.6 km[west]
1.5 km[east]
b
2.6 km[east]
1.5 km[west]
c
5.2 km[east]
3.4 km[west]
d
5.2 km[west]
3.4 km[east]
4. Which of the following graphs indicates that one of runners started 10
meters ahead of the other?
20–B1.2k define velocity and acceleration as v d / t and a v / t, respectively
5. A man runs for 2 min. and travels 100 m. What is the mans speed?
a. 50 m/s
b. 2.4 m/s
c. 0.83 m/s
d. 0.02 m/s
6. A car is travelling 60km/h for 15 min. How far will the car travel during this time
a. 54000 m
b. 16875 m
c. 900 m
d. 281 m
Use the following graph to answer the next 2 questions
7. During which time frame is the object traveling at a constant velocity away?
a. 0-2 seconds
b. 2-4 seconds
c. 4-6 seconds
d. The object doesn’t
8. During which time frame is the object accelerating?
a. 0-2 seconds
b. 2-4 seconds
c. 4-6 seconds
d. The object doesn’t
9. In which of the following graphs are both runners moving at the same
velocity?
Use the following graph to answer the next 2 questions
10. Which object has a higher velocity?
a. A
b. B
c. Neither they have the same velocity
11. What is the velocity for object B?
a. 7.5 m/s
b. 0.3 m/s
c. 0.13 m/s
d. 0.075 m/s
12. You’re travelling in your car at a constant velocity of 110 km/h how long will it take
you to travel 50m?
a. 2.2 s
b. 1.64 s
c. 0.61 s
d. 0.54 s
13. A car accelerates from rest to 60 km/h in 3.2 s what is its acceleration?
a. 67500 m/s2
b. 18.75 m/s2
c. 5.2 m/s2
d. 0.053 m/s2
Use the following graph to answer the next question
14. According to the graph above the object is accelerating at
a. 1.0 m/s2
b. 0.75 m/s2
c. 0.5 m/s2
d. 0.25 m/s2
15. An object accelerates from rest at a rate of 20m/s2 if it accelerates for 15s what is its
final velocity?
a. 300 m/s
b. 100 m/s
c. 5.0 m/s
d. 1.3 m/s
Use the following graph to answer the next question
16. What is the objects velocity at 10 seconds?
a. 20 m/s forwards
b. 20 m/s backwards
c. 0 m/s
d. Impossible to tell with the graph
20–B1.3k compare and contrast displacement in uniform motion and uniformly
accelerated motion
Use the following graph to answer the next question
17. What is the displacement of the object at 6s?
a. 9m
b. 27m
c. 54m
d. It is impossible to tell with the graph
Use the following information to answer the next 2 questions
A car accelerates from rest to a speed of 56 m/s in 4 seconds
18. What is the rate of acceleration for the car?
a. 224 m/s2
b. 112 m/s2
c. 14 m/s2
d. 0.07 m/s2
19. What distance will the car have traveled in the 4 seconds?
a. 224 m
b. 112 m
c. 14 m
d. 0.07 m
Use the following graph to answer the next question
20. Which object is travelling at an uniform velocity?
a. Object A
b. Object B
c. Object C
d. Object D
Written Calculations
21. A Car travels 70 km/h west for 50 min. What is its displacement?
Use the following information to answer the next 2 questions
A group of people go on an ice-fishing trip, which involves the following steps:
Step I
Travelling from Dorothy’s Creek to the parking lot, which takes 0.25 h
Step II
Collecting supplies in the parking lot, which takes 0.25 h
Step III Travelling from the parking lot to William’s Lake , which takes 1.75 h
22. What is the average speed of the group in km/h and m/s?
23. What is the average velocity of the group in km/h and m/s?
Use the following picture to answer the next question
24. If the ticker machine puts dots on the paper every 0.1s what is the final
velocity of the object? (ie at point E)
25. Using the information from Question 24 What is the objects acceleration?