Motion in 1 & 2 Dimensions
REVIEW
What is the displacement of an
object with a v vs. t graph of:
A.
B.
C.
D.
E.
15 m
15 cm
-15 m
0.83 m
-0.83 m
What is the acceleration of an
object with a v vs. t graph of:
A.
B.
C.
D.
E.
15 m/s2
15 cm/s2
-15 m/s2
0.83 m/s2
-0.83 m/s2
What best describes the motion of the object
during the time interval of 4.0 s – 6.0 s?
A.
B.
C.
D.
Constant forward
velocity
Constant negative
velocity
No motion
Constant
acceleration
A tortoise runs 4 meters forward in 3.5 sec
and then turns around (instantaneously)
and runs back to where it started in another
4.0 sec. What is the tortoise's average
velocity?
A. 0 m/s
B. 1.1 m/s
C. 2.1 m/s
D. -2.1 m/s
A tortoise runs 4.0 meters forward in 3.5 sec
and then turns around (instantaneously)
and runs back to where it started in another
4.0 sec. What is the tortoise's average
speed?
A. 0 m/s
B. 1.1 m/s
C. 2.1 m/s
D. -2.1 m/s
A man walks 3.5 m North, 6.9 m West and
then 2.4 m South. What is his final
displacement?
A.
B.
C.
D.
12.8 m
7.0 m at 81o N of W
7.0 m at 81o W of N
7.0 m at 9o S of E
Which of the following is an
example of projectile motion?
A.
B.
C.
D.
Wonder Woman flying through the air.
A volleyball pounded over the net.
A paper airplane gliding through the
air.
An airplane traveling from LA to
Dallas.
A rubber suction cup is fired horizontally
from a toy gun, and another rubber suction
cup is dropped simultaneously from the
same height. Neglecting air resistance,
which bullet hits the ground first?
A. The fired one.
B. The dropped one.
C. Both hit at the same time.
A battleship simultaneously fires two shells at
enemy ships. If the shells follow the
trajectories shown, which ship gets hit first?
A.
B.
C.
D.
A will be hit first.
B will be hit first.
Both will be hit at the same time.
It depends on the actual angles.
Two arrows are launched with the same velocity. One is
launched straight up and the other is launched at 65o.
Which hits the ground first?
A.
B.
C.
D.
The one launched straight up.
The one launched at 65o.
Both hit at the same time.
Need more information.
Does a ball dropped out of the window of a
moving car take longer, shorter, or the same
amount of time to reach the ground as one
dropped at the same height from a car at
rest?
A. Longer
B. Shorter
C. The same
One penny is thrown upwards at a velocity ,
V, from the top of a building and another
penny is thrown downwards from the top of
the same building at a velocity of –V. Which
hits the ground first?
A. The one thrown upwards.
B. The one thrown downwards.
C. They both hit at the same time.
One penny is thrown upwards at a velocity , V,
from the top of a building and another penny is
thrown downwards from the top of the same
building at a velocity of –V. Which hits the
ground with the largest final velocity?
A.
B.
C.
The one thrown upwards.
The one thrown downwards.
The final velocities are the same.
Which ball spends the most time in
the air?
A.
B.
C.
Ball A
Ball B
They are the
same.
Which ball has the greater launch
speed?
A.
B.
C.
Ball A
Ball B
They are the
same.
Assuming air resistance is negligible, what
happens to the horizontal velocity of a
projectile after it is released?
A. Velocity decreases.
B. Velocity increases.
C. Velocity remains constant.
A passenger on a bus moving east sees a man
standing on a curb. From the passenger’s
perspective, the man appears to be…
A.
B.
C.
D.
Not moving.
Moving East with a speed equal to the bus’s
speed.
Moving North with a speed equal to the bus’s
speed.
Moving West with a speed equal to the bus’s
speed.
A piece of candy is dropped by a little girl
running across the yard. From an observer’s
perspective, the candy appears to fall
A.
B.
C.
D.
Straight down.
Parabolically forward.
Parabolically backward.
Straight backward.