Multiple ChoiceIdentify the choice that best completes the
statement or answers the question. All questions are worth 1 point each unless otherwise noted.
Use equation below. Do all of your work on scratch paper provided, do not write on this
test.


1

A ball is thrown straight up and then falls straight back down. When it attains
maximum height, the ball’s velocity is
a.  equal to its displacement.  b.  at its maximum.  c.  at its
minimum.  d.  equal to its displacement divided by the time. 


2

(3 points) A cannon with a barrel velocity of 120 m/s launches a cannonball
horizontally from a tower. Neglecting air resistance, how far vertically will the cannonball have
fallen after 2 seconds?
a.  240 m  b.  120 m  c.  20 m
 d.  480 m  e.  none of the
above 


3

A vector is a quantity that has
a.  magnitude and time.  b.  time and direction.  c.  magnitude and
direction. 


4

A ball thrown in the air will never go as far as physics ideally would predict
because
a.  gravity is acting.  b.  air friction slows the
ball.  c.  ideally the ball would never land.  d.  one can never throw the ball fast
enough.  e.  all of the above 


5

A projectile launched horizontally hits the ground in 1.5 seconds. If it had
been launched with a much higher speed in the same direction, it would have hit the ground
(neglecting Earth's curvature and air resistance) in
a.  more than 1.5 s.  b.  less than 1.5 s.  c.  1.5
s. 


6

In the absence of air resistance, objects fall at constant
a.  speed.  b.  velocity.  c.  acceleration.  d.  distances each successive
second.  e.  all of the above 


7

(2 points) Suppose a small plane can fly at 210 km/h relative to the surrounding
air. Suppose also that there is a 20 km/h tailwind. How fast does the plane's shadow move across
the ground?
a.  190 km/h  b.  230 km/h  c.  5
km/h  d.  210 km/h  e.  20 km/h 


8

(3 points) A cannon with a barrel velocity of 70 m/s launches a cannonball
horizontally from a tower. Neglecting air resistance, how far vertically will the cannonball have
fallen after 4 seconds?
a.  80 m  b.  70 m  c.  1120 m
 d.  280 m  e.  none of the
above 


9

(3 points) you drop a rock off of a tall building. It hits the ground
in 2.7 seconds. What what the final velocity?
a.  26 m/s  c.  26 m/s  b.  2.6 m/s  d.  2.6 m/s 


10

The resultant vector that would result from adding vectors A and
B would look most like which vector?


11

(3 Points) If the height of the ramp was 0.65m above the floor, how long
would it take for the marble to hit the ground after it left the ramp?
a.  0.36 seconds  c.  0.07 seconds  b.  0.13 seconds  d.  0.26 seconds 


12

(3 Points) A bike travels at a constant speed of 3.5 m/s for 20
seconds. How far did it travel?
a.  0.7 meters  c.  70 meters  b.  7 meters  d.  700 meters 


13

(3 points) In the absence of air resistance, the angle at which a thrown ball
will go the farthest is
a.  45 degrees.  b.  15 degrees.  c.  30
degrees.  d.  75 degrees.  e.  60 degrees. 


14

(3 points) You drop a rock off of a tall building. It takes 8.5 seconds
to hit the ground. How tall is the building?
a.  42 m  c.  710 m  b.  35 m  d.  350 m 


15

(3 points) You drop a rock off of the top of a 45 m tall building. How
long does it take before it hits the ground?
a.  0.30 s  c.  30 s  b.  2.1 s  d.  3.0 s 


16

In the absence of air resistance, the angle at which a thrown ball will go the
farthest is
a.  45 degrees.  b.  60 degrees.  c.  75
degrees.  d.  15 degrees.  e.  30 degrees. 


17

A ball is thrown straight upward at 5 m/s. Ideally (no air resistance), the ball
will return to the thrower's hand with a speed of
a.  0 m/s.  b.  5 m/s.  c.  10 m/s.
 d.  2.5 m/s.  e.  There is not enough information to
say. 


18

At the instant a ball is thrown horizontally with a large force, an identical
ball is dropped from the same height. Which ball hits the ground first?
a.  The dropped ball  b.  Neither. They both hit the ground at the same
time.  c.  The horizontally thrown ball 


19

The horizontal component of a projectile's velocity is independent of
a.  the vertical component of its velocity.  b.  time.  c.  the range of the
projectile. 


20

A scalar is a quantity that has
a.  direction.  b.  time.  c.  magnitude.  d.  color. 


21

If you added the vectors below, the resultant would look most like which of the
following vectors?


22

(3 points) You drop a rock off of the top of a 45 m tall building. How
long does it take before it hits the ground?
a.  30 s  c.  0.3 s  b.  2.1 s  d.  3.0 s 


23

If it takes 2 seconds for the pendulum to swing forward and backwards one time,
what is the period (T) of the pendulum?
a.  not enough information to determine  c.  2 seconds  b.  4
seconds  d.  1
second 


24

(2 points) What is the resultant of a 12unit vector and 16unit vector at right
angles to each other?
a.  20 units.  b.  4 units.  c.  28
units.  d.  none of the above 


25

The ____________ is the path of a projectile.
a.  trajectory  c.  range  b.  velocity vector  d.  independant 


26

In the absence of air friction, the horizontal component of a projectile's
velocity doesn't change as the projectile moves.
a.  Always true  b.  Always false  c.  Sometimes
true 


27

(3 points) A freely falling object starts from rest. After falling for 9
seconds, it will have a speed of about
a.  more than 450 m/s.  b.  450 m/s.  c.  90
m/s.  d.  9 m/s.  e.  45 m/s. 


28

In the absence of air resistance, at what other angle will a thrown ball go the
same distance as one thrown at an angle of 45 degrees?
a.  50 degrees.  b.  35 degrees.  c.  45
degrees.  d.  40 degrees.  e.  60 degrees. 


29

A ball thrown in the air will never go as far as physics ideally would predict
because
a.  ideally the ball would never land.  b.  air friction slows the
ball.  c.  one can never throw the ball fast enough.  d.  gravity is
acting.  e.  all of the above 


30

The horizontal component of a projectile's velocity is independent of
a.  time.  b.  the vertical component of its
velocity.  c.  the range of the projectile. 
