Grade 11 - Physics
Chapter 2 - Assignment
Name:____________________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. The statement that does not describe collinear vectors is
a. collinear vectors act in one dimension
b. collinear vectors have the same x and y components
c. collinear vectors are in the same direction or in opposite directions
d. collinear vectors lie along the same straight line
Displacement Vectors
____
2. Refer to the information in Displacement Vectors to answer this question. Using the Cartesian and the
navigator methods, respectively, the direction of vector 4 can be stated as
a. [150], [60 W of N]
c. [60], [30 N of W]
b. [60 W of N], [30]
d. [30 N of W], [30]
Shopping
From the front door of a store, a shopper walks 4 m [E] to the carts, then 2 m [E] to the first aisle,
and finally 6 m [E] to the end of the aisle.
(1 tick = 2 m)
(Let X represent the origin at the front door.)
____
3. Refer to the information in Shopping to answer this question. The correct representation of the displacement ,
, of the shopper, relative to the front door of the store, is
a.
c.
b.
d.
____
4. By definition, the displacement of an object is given with respect to the
a. initial position
c. initial origin
b. final position
d. final origin
____
5. An airplane reports its flight direction as [235]. The vector diagram that correctly represents the airplane’s
direction is
a.
c.
b.
____
d.
6. The direction of a vector is given as [30 W of N]. This direction is given using the _____ method. The
direction using the alternative method of stating direction is _____. The correct responses to fill in the blanks
are, in order,
a. Cartesian, and [120]
c. Cartesian, and [60 E of N]
b. navigator, and [120]
d. navigator, and [60 E of N]
Soccer Player
A soccer player jogs 20 m [E], then sprints 30 m [30 N of E], using the navigator method of
describing direction.
____
7. Refer to the information in Soccer Player to answer this question. The correct vector diagram to determine the
resultant displacement is
a.
c.
b.
____
d.
8. Refer to the information in Soccer Player to answer this question. The sum of the y components is
a. 5 m
c. 20 m
b. 15 m
d. 30 m
Pass Pattern
A particular pass pattern requires a football receiver to run 15 m [N] and then 10 m [45 W of
N].
____
9. Refer to the information in Pass Pattern to answer this question. The correct vector diagram for determining
the resultant displacement is
a.
c.
b.
d.
____ 10. Refer to the information in Pass Pattern to answer this question. The magnitude of the resultant displacement,
, is
a. 4.7 m
c. 22 m
b. 17 m
d. 23 m
Two Cars on a Highway
Car A is travelling at a velocity of 100 km/h [N]. Car B, on the same highway, is travelling at
a speed of 110 km/h in the opposite direction.
____ 11. Refer to the information in Two Cars on a Highway to answer this question. If car B is approaching car A,
then the velocity of car B relative to car A is
a. 10 km/h [N]
c. 210 km/h [S]
b. 100 km/h [S]
d. 210 km/h [N]
Football Throw with the Wind
A quarterback throws a football at a velocity, , of 60.0 km/h [E], to a receiver whose
position, relative to the quarterback, is 40.0 m [E]. A wind is blowing from the west at a
speed of 30.0 km/h, .
(1 tick = 30 km/h)
____ 12. Refer to the information in Football Throw with the Wind to answer this question. The correct algebraic
expression for determining the resultant velocity, , of the football relative to the ground is
a.
c.
b.
d.
Football Throw into the Wind
An opposing quarterback throws a football at a velocity, , of 60.0 km/h [W] to a receiver
whose position, relative to the quarterback, is 40.0 m [W]. A wind is blowing from the west
at a speed of 30.0 km/h, .
(1 tick = 30 km/h)
____ 13. Refer to the information in Football Throw into the Wind to answer this question. The vector that correctly
represents the resultant velocity, , of the football relative to the ground is
a.
c.
b.
d.
Swimming in a River
____ 14. Refer to the information in Swimming in a River to answer this question. If the swimmer heads upstream, the
resultant velocity, , of the swimmer relative to the shore is
a. 6 m/s [W]
c. 10 m/s [E]
b. 6 m/s [E]
d. 10 m/s [W]
____ 15. Refer to the information in Swimming in a River to answer this question. If the swimmer heads north, directly
across the river, the correct vector diagram for determining the resultant velocity, , of the swimmer relative
to the shore is
a.
c.
b.
d.
____ 16. Refer to the information in Swimming in a River to answer this question. The time taken for the swimmer to
cross the river, which is 1.5 km wide, is
a. 0.75 s
c. 7.5  102 s
b. 3.0 s
d. 3.0  103 s
Vacationer on a Cruise Ship
A vacationer is walking at a speed of 1.50 m/s on the deck of a cruise ship that is
sailing at a velocity of 7.50 m/s [W].
____ 17. Refer to the information in Vacationer on a Cruise Ship to answer this question. Relative to the shore, the
magnitude of the resultant velocity of the vacationer, if he initially heads [120], is
a. 6.3 m/s
c. 8.3 m/s
b. 7.6 m/s
d. 9.0 m/s
Projectile Motion
I.
II.
Component of Motion
Horizontal
Vertical
1.
2.
3.
4.
5.
Characteristics
Affected by gravity
Exhibits uniform motion
Exhibits uniform accelerated motion
Component of initial velocity is
Component of initial velocity is
____ 18. Refer to the information in Projectile Motion to answer this question. The characteristics that apply to the
vertical component of projectile motion are
a. 2 and 5
c. 1, 2, and 4
b. 3 and 5
d. 1, 3, and 4
Gunship Cannon
A cannon muzzle on a gunship, set at an angle of 40.0 above the horizontal, fires a shell with
a speed of 700 km/h.
____ 19. Refer to the information in Gunship Cannon to answer this question. The time of flight of the shell is
a. 12.3 s
c. 30.4 s
b. 25.5 s
d. 60.7 s
____ 20. Refer to the information in Gunship Cannon to answer this question. The maximum range of the shell is
a. 1.83 km
c. 4.53 km
b. 3.80 km
d. 7.59 km
Numeric Response
Airplane in the Wind
An airplane heads due north at a speed of 700 km/h. While in flight, the air traffic controller
notifies the pilot that, due to the wind velocity, the airplane’s actual velocity is 750 km/h
[15.0 W of N].
21. Refer to the information in Airplane in the Wind to answer this question. Using the Cartesian method, the
direction of the wind with respect to the ground is _________. (Record your three-digit answer on the
answer sheet.)
Rabbit
A rabbit leaps into the air at an angle of 30.0 and lands back on the ground 8.00 m away in a
time of 1.50 s.
22. Refer to the information in Rabbit to answer this question. The vertical component of the velocity of the
rabbit at the instant before it lands on the ground is ______ m/s. (Record your three-digit answer on the
answer sheet.)
Airplane Drop
An airplane flying at a speed of 700 km/h at a height of 900 m drops a relief package.
Assume that the horizontal velocity of the relief package at this instant is 700 km/h.
23. Refer to the information in Airplane Drop to answer this question. The time taken for the relief package to hit
the ground is ______ s. (Record your three-digit answer on the answer sheet.)
Essay
24. While walking behind a lawnmower, a gardener walks 15.0 m [270], then 20.0 m [340] and finally
10.0 m [120].
a
b
Draw a vector diagram to determine the displacement of the lawnmower
graphically. Explain how to determine the displacement of the lawnmower
from the diagram.
Calculate the displacement of the lawnmower algebraically.
Football Punt
A football punter kicks a football with a velocity of 30.0 m/s at an angle of 45.0.
25. A football punter kicks a football with a velocity of 30.0 m/s [45.0].
(a) Determine the horizontal and vertical components of the motion.
(b) Calculate the time of flight of the football.
(c) Calculate the range and the height of the football.