Type: Single
Date: ______________
Objective: Kinematics Review
Homework: Study for Test #1: Kinematics
AP Physics
Date ___________
Mr. Mirro
Kinematics Review
1) A stone is released from rest and falls a distance H during the first second of time. How far will it
fall during the next second of time?
a) H
b) 2H
c) 3H
d) 4H
e) H
2) An object is thrown vertically upward with a certain initial velocity on a world where the acceleration
2
due to gravity is 19.6 m/s . The height to which it rises is ___?____ that to which the object
would rise if thrown upward with the same initial velocity on Earth (neglect air resistance).
a) half
b) √2 times
c) twice
d) four times
e) not enough data given to determine.
3) A stone which is thrown horizontally from the top of a tall building will follow a path which is
a) circular
d) parabolic
b) composed of consecutive straight line segments
e) a straight line.
c) hyperbolic
4) A stone is thrown straight down from a cliff 50 m high with an initial vertical velocity component of 15 m/s. For
how many seconds will the stone be in the air?
a) 2.0
b) 2.5
c) 3.0
d) 3.5
e) 4.0
5) Which of the five graphs represents the motion of a car moving with a constant acceleration ?
a)
b)
v
c)
s
t
d)
s
v
t
t
t
6) A stone is released from a balloon which is ascending at a constant speed of 5.0 m/s.
Neglecting air resistance, after 10.0 seconds the magnitude of stone’s speed:
a) 160 m/s
b) 93 m/s
c) 103 m/s
d) 100 m/s
e) 90 m/s.
7) A jet plane in straight horizontal flight passes over your head. When it is directly above you, the
o
sound seems to come from a point behind the plane in a direction 60 from the vertical. The
speed of the plane is
a) the same as the speed of sound
c) 3/5 the speed of sound
e) twice the speed of sound.
b) half the speed of sound
d) 0.866 the speed of sound
8) Which of the segments on the graph below best represents a graph of the horizontal velocity (vx) vs. time (t)
o
for a projectile shot at an angle of 40 above the horizontal? (c)
vx
F
A
B
C
O
D
t
a) OC
b) DE
c) AB
d) AE
e) AF
E
9) The projectile shown has an initial velocity vo at an angle of θ above the horizontal. It reaches
its highest point P in a time T after launch. Which statement is NOT true at point P?
P
v
h
o
O
max
d
a) vy = vo sin θ
b) d = vo T cos θ
c) hmax = [ (vosin θ) ]
2
÷ 2g
d) T = d ÷ v sin θ
10) The diagram shown represents the straight line motion of a car. Which of the following is true? (d)
12
a) the car accelerates, stops, and reverses
b) the car accelerates at 10 m/s/s for the first 2 s.
v(m/s)
c) the car is moving for a total time of 12 s.
d) the car decelerates at 3 m/s/s for the last 4 s.
2
5
t (sec)
9
e) the car returns to its starting point when t = 9 s.
11) A runner competing in a race produces the velocity vs. time graph as shown.
a) Specifically describe the motion of the runner
during the race (no calculations needed here).
B
+10.0
C
V (m/s)
+8.0
AB -
+6.0
+4.0
BC-
+2.0
D
A
CD-
2.0 4.0 6.0 8.0 10. 12. 14. 16. 18. 20. 22. 24. 26.
t (sec)
b) Complete the table of data shown, making sure you show sample calculations for section AB in the space given.
Section
distance travelled
average speed
acceleration
AB
BC
CD
Workspace:
c) Below, create graphs of the runner's displacement and acceleration vs. time for the entire race.
+5.0
a (m/s/s)
+3.0
+200.0
s (m)
+1.0
-1.0
+100.0
2.0 4.0 6.0 8.0 10. 12. 14. 16. 18. 20. 22. 24. 26.
t (sec)
-3.0
-5.0
2.0 4.0 6.0 8.0 10. 12. 14. 16. 18. 20. 22. 24. 26.
t (sec)
12) As shown in the figure, a ball is thrown from the top of one building toward a tall building 50 m away. The
initial velocity of the ball is 20 m/s 40° above horizontal. How far above or below its original level will the
ball strike the opposite wall ?
+y
θ
+x
50 m