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WorksheetsPhysics Quiz Greeves
Total questions: 22
Worksheet time: 20mins
Name
Class
Date
1.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North
2.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
direction
direction
3.
In practice A of the figure, What is the magnitude of the resultant displacement?
a)
5 km
b)
8 km
c)
11 km
d)
15 km
4.
In practice A of the figure, what is the direction of the resultant displacement?
a)
63 degrees, South of East
b)
63 degrees, North of West
c)
27 degrees, North of West
d)
27 degrees, South of West
5.
In practice B of the figure, which displacement is the horizontal component?
a)
30 km, East
b)
30 km, West
c)
40 km, North
d)
40 km, South
6.
In practice B of the figure, which displacement is the vertical component?
a)
40 km, South
b)
40 km, North
c)
30 km, East
d)
30 km, West
7.
Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots
Wind blowing at 20 knots
a)
Scalar
b)
Vector
8.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
9.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
10.
What is the Net Force?
a)
5 N to the right
b)
10 N to the right
c)
15 N to the right
d)
0 N
11.
A car moved 60 km East and 90 km West. What is the distance it traveled?
a)
30 km, West
b)
60 km. East
c)
90 km
d)
150 km
12.
If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?
a)
12 km
b)
19 km, East
c)
31 km
d)
43 km, East
13.
The president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.
a)
252 m/s
b)
222 m/s
c)
435 m/s
d)
125 m/s
14.
A motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat’s resultant velocity with respect to the starting point?
a)
3.3 m/s
b)
5.0 m/s
c)
6.0 m/s
d)
8.3 m/s
15.
A person observes a fireworks display from a safe distance of 0.750 kilometer. Assuming that sound travels at 340 meters per second in air, what is the time between the person seeing and hearing a fireworks explosion?
a)
0.453 s
b)
2.21 s
c)
410 s
d)
255,000 s
16.
A child walks 5 meters north, then 4 meters east, and finally 2 meters south. What is the magnitude of the resultant displacement of the child after the entire walk?
a)
1.0 m
b)
5.0 m
c)
3.0 m
d)
11.0 m
17.
An airplane traveling north at 220 meters per second encounters a 50.0-meters-per-second crosswind from west to east.
a)
170 m/s
b)
214 m/s
c)
226 m/s
d)
270 m/s
18.
A hiker walks 5 kilometers due north and then 7 kilometers due east.
a)
2 km
b)
8.6 km
c)
12 km
d)
12.6 km
19.
A fishing boat with a maximum speed of 3 m/s relative to the water is in a river that is flowing at 2 m/s. What is the maximum speed the boat can obtain relative to the shore?
a)
5 m/s
b)
25 m/s
c)
5.8 m/s
d)
7 m/s
20.
A fishing boat with a maximum speed of 3 m/s relative to the water is in a river that is flowing at 2 m/s. What is the minimum speed the boat can obtain relative to the shore?
a)
1 m/s
b)
5 m/s
c)
3.6 m/s
d)
4.5 m/s
21.
A motorboat velocity is 20 km/h in still water. If the boat must travel straight to the nearest shore in a river whose current is 12 km/h, What up stream angle must the bow boat point at? (hints: you know the opposite and resultant sides of your right triangle here).
a)
46 degrees upsteam
b)
37 degrees upstream
c)
22 degrees upstream
d)
42 degrees upstream
22.
A plane traveling north at 150 m/s is flying toward a runway. A cross-wind of 30 m/s begins to blow from the east. The pilot realizes he is being blown off course. At what angle must he head in order to travel directly north?
a)
19 degrees east of north
b)
29 degrees east of north
c)
19 degrees west of north
d)
29 degrees east of south
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