Download File

.'~
1.
In the diagram shown, a lO-kilogram sphere, A, is projected horizontally with a velocity of 30 meters per
second due east from a height of 20 meters above level ground. At the same instant, a 20-kilogram sphere,
B, is projected horizontally with a velocity of 10 meters per second due west from a height of 80 meters
above level ground. [Neglect air friction.]
The magnitude of the horizontal
G
b) 2.0m/s2
o.om/s~
-:LVI ~
acceleration of sphere A is
c) 9.8m/s2
kY(~
~0~Q\lJO~
d) 15m/s2
~~-\-
f'S
t~&-tM_-\-.)
~~U't<j
crt
A--
Y\J)
CLCc.J.Lv-a..+-()~
'froj~L}ikJ
D~~\.).Jr '5~
2.
A car having an initial speed of 16 meters per second is uniformly brought to rest in 4.0 seconds. How far
does the car travel during this 4.0-second interval?
C8
c) 96m
\[;=-1(:,
t::~
ct":'
- <i?
d :::~5l:,
...... -;-:f
d) 4.0m
".vi ~ (I) ;)(-r) t ~(tL)(\ z:)
d::- (((.){Lf) 13:z(-4)('+0
d "/:&Lf + --32
~J
d;: ,31-
3.
A book is pushed with an initial horizontal velocity of 5.0 meters per second off the top of a desk. What is
the initial vertical velocity of the book?
b) 2.5m/s
c) 5.0m/s
d) 10m/s
cJ e (}YVLf'~J-
j:V1 +ke V~v'rtc
of o. fVV jU+-i teJ +W
\,
\
V, I'SI
s 0iM/ s a_.vd
"i tl.c.-VUlJe- btl Cj ~I s Z;at luJ (L~
I ))
iJJ Ii
4.
A freely falling object near the Earth's surface has a constant
a) velocity of 1.00 m/s
b) velocity of 9.81 m/s
c) acceleration of 1.00 m/s2
#-jrOvv(~
if-duJ'l.
o
5.
The graph represents the motion of a body moving along a straight line. According to the graph, which
quantity related to the motion of the body is constant?
a) speed
G
b) velocity
,.....
acceler~J
d) displacement
IlL
TIME
6.
A car moving at a speed of 8.0 meters per second enters a highway and accelerates at 3.0 meters per
second", How fast will the car be moving after it has accelerated for 56 meters?
a) 24m/s
\t~~ <t
t\:;
::s
\\~/~
d-;-S~
created by Acces for use by Dobie High School only.
1
c) 18m/s
b) 20~/~
():P~
.
U
\J~,~_ ~ 2.-
3 ::--"j C~b)
53~ __\J~
'Zr_ ~.~
d) 4.0m/s
I
f'
7.
Which graph best represents the motion of an object initially at rest and accelerating uniformly?
a)
C)~cGl~L_
b)
r£l
Co)
TIME
(\0
5~d,
TIM
t(M_"5~IA..*"
5puA
8.
TIME
TIME
e-~t-
C_~$~
"5 pM&.
Ct-CCJ..QR_y-~~
A ball rolls down a curved ramp as shown in the diagram. Which dotted line best represents the path of
the ball after leaving the ramp?
a) A
c) C
A
d) D
"'/
~,
~,.,:-1\,
<,
I,
:
I
I
:
..
n
9.
,
-,
\
"
...
~
B
c
The diagram here shows a ball projected horizontally with an initial velocity of 20 meters per second east,
off a cliff 100 meters high. [Neglect air resistance.]
.
100 m
,,
,,
••
\
During the flight of the ball, what is the direction of its acceleration?
..
,~,
D\--
r
I
1
-it
10.
How many seconds does the ball take to reach the ground?
b) 20s
c) 9,8s
vi.
z>
IDO ~
IDO
d) 2.0s
(Vi)(}) -+- ~(a)(+2-)
(b J{t) t-,~(~,~) (f1-)
-;'Lf~q(t2)
;2b.lfl.=;--+2-
4,'52.5;'+
11.
A bicyclist accelerates from rest to a speed of 5.0 meters per second in 10 seconds. During the same
10 seconds, a car accelerates from a speed of 22 meters per second to a speed of 27 meters per second.
Compared to the acceleration of the bicycle, the acceleration of the car is
a) less
b) greater
u;vr
bi~~
V'-;'
, 2.-.,....
\J;z::! 0
v~~'~
G\_,;>,
-+ ~
lO
A_'"
""",
.
")-
\J~ ;t-1
f~
tQ
r. - ?
•
I.A. ~
0
to
tl~ ,t!) ~\S1.-12. If an
~i~Of
Sfg~t's
velocity changes from 25 meters per second to 15 meters per second in 2.0 seconds, the
the object's acceleration is
.
fIII~/s27
. C) 13m/s2
V?LS
I
\l~ ~ \<)
..};2.
a=
created
by
Acces lor use by Dab'le HIgh School only.
-5 j¥v\sv'
d) 20m/s2
13.
As shown in the diagram, an astronaut on the Moon is holding a baseball and a balloon. The astronaut
releases both objects at the same time. What does the astronaut observe? [Note: The Moon has no
atmosphere.]
-.=:::ab
i@Q,
.z;;;
a) The baseball falls slower than the balloon.
b) The baseball falls faster than the balloon.
~
_!he b~e~a~!;li.~,~~l~
;~ ~~~~~;
.'
.
:=1 -r~ )~:,+-d.o\
r~~ ..•
I \
b/c 1.0 m
d) The baseball and balloon remain suspended and do not fall.
14.
The velocity- of a car changes from 60 meters per second north to 45 meters per second north in 5.0 seconds.
Th~~f
the car's acceleration is
'.
.
b) 15m/s2
a) 9.8m/,2
».'::lRO
I
\J~ ~y-'5
t::;)
a,
.[
~ 3·.om/52 \
d) 53m/,'
,+5-~O
s-r-'
~:;:-?
a.
- 3 fY,.._t)'"
.
I
15.
A ball is thrown horizontally at a speed of 20 meters per second from the top of a cliff. How long does the
ball take to fall 19.6 meters to the ground?
a)
1.0 s
IX
T__
..-
-+~-----------
c) 9.8s
~
V::: 2D
~
I~I~ -:;:LI q
v
fLr::~
(lrealed by Acces tor use by Dobie HighSchool only.
r
;
Z ;--\-
d) 4.0 s
An object has a constant acceleration of 2.0 meters per second''.
accelerate from 8.0 meters per second to 28 meters per second is
16.
a) 20s
~:::-'2..
+-:.'?
I
"2 -: ...
¥'
,
.-I-
V; -;.1
\J~~1,i
ca
b) 16s
'2 <'(
The time required for the object to
-
d) 4.0 s
~-+~ Zv
t;: 105
17.
A race car traveling at 10 meters per second accelerates at the rate of 1.5 meters per second- while traveling
a distance of 600 meters. The final speed of the race car is approximately
a) 1900mjs
b) 910m!s
V·~IO
\
a.. -;: 1,<)
\}.£1.-_
I,~ ~
c) 150m!s
\Dz..
~ (~Ol))
Ot :: ~OO
I~DD :;
\J ~1. - ,-DO
I'l (>0
\l fa..
~
~3S; \J i
18.
Which graph best represents
friction.]
a)
the motion of an object falling from rest near the Earth's surface?
~
VJo~bt.
~Cl.~~
...+ a: ~k
l¥~ ~~\v"}J
~~
[Neglect
.. )
o~ ~ ,I!
d)!~
TIME
TIME
~.Jr,y-{.
c.~:S+a.t\..~.
CiC.U.~)( (.4--h~
~1hYJ Sl~
",-.J.. IJ- L. Ol/\.S ~
r»: \e.')
created
by
Acces lor use by Dobie High School only,
i-
19.
An object originally moving at a speed of 20. meters per second accelerates uniformly for 5.0. seconds to a
final speed oL5o. meters per second. What is the acceleration, of the object?
b) 10m/s2
a) 14m/s2
d) 4.0m/s2
-S-o-2D
a :::=»:
Ot :; (p ~h~
, J
21.
An object falls freely from rest near the surface of the Earth.
fallen 4.9 meters from its rest position?
a) 4.9m/s
'A
\-.
d ~Li.CJ
Ct~q,<t
'V~ 0
'7-
+;:~
~~?
created by Aecas for use by Doble High School only.
.
.
What is the speed of the object when it has
c) 24m/s
.
11q ~ (0 )C+) + +(~I<i)(t~')
'L 1':(~+1q){+Z)
.\
1::+21=+
d) 96m/s
\J,f .... 9
&jar ~ ----
\
'1.'i(~\)~
,>11'~
,
An object falls freely from rest for three seconds. The acceleration of the object is , • ,
22.
.
, , ,C\NL t-o j V74-V 1,\ vJ..\,~vh\ S
a) 10m/sec
.!i 1Om/sec?'j
(
c) 30m/sec
a
Q.
~/I 0
H
Is t..
Y'I
)
d) 30m/sec2
A stone weighing 5 newtons falls freely from a cliff 44 meters high. The stone is accelerated at approximately
23.
i:t 6~A.1I'~
2
c) 44m/sec2
a) 5m/sec
d) 220m/sec2
An object near the surface of planet X falls freely from rest and reaches a speed of 12.0 meters per second
after it has fallen 14.4 meters. What is the acceleration due to gravity on planet X?
24.
a) 2.50m/s2
~.s::::\ 2,,';:0
,
0. ::,iLl. 4
a-?
" .
r
J22
a-
12z..-0~
Z (1t1· i.})
~~W
0.;:
a_
created by Acces for use by Dobie High School only.
l
5.00 m/s2
-
")~,y
">- ~
,..._I~ (..
c) 9.80m/s2
d) 10.0m/s2
~o" •
In the diagram shown, a 100kilogram sphere, A, is projected horizontally with a velocity of 30 meters per
second due east from a height of 20 meters above level ground. At the same instant, a 20-kilogram sphere,
B, is projected horizontally with a velocity of 10 meters per second due west from a height of 80 meters
above level ground. [Neglect air friction.]
25.
8
A
Y
Y )(
X
Initially, the spheres are separated by a horizontal distance of 100 meters. What is the horizontal separation
of the spheres at the end of 1.5 seconds?
d) 45m
a) 15m
26.
The diagram here shows a ball thrown toward the east and upward at an angle of 30° to the horizontal.
Point X represents the ball's highest point.
~
X
6
-~_-----c:r---- ....
~ .... ,
""0
What is the direction of the ball's acceleration at point X?
~~;J
lV\_{
0. \it.
27.
b) up
(}I\.\~ o..~o
\
1)
(0ru,l)A_ ("S
5c~
0.\\).)6-L.f s
v€.-'(-r i c.t0l
~
ci~)
-t='V
\}
by
Dobie High School only.
c) 3.0m/s
0
a..~3
Acees for use
l~
b) 2.0m/s
\} '1;
by
f~
d) east
.a-- IS
,
An object, starting from rest, accelerates at a rate of 3.0 meters per second- for 6.0 seconds. The velocity
of the object at the end of this time is
a) 0.50m/s
created
c) west
..:h'6'n frr~1
'~rtlv \~
[Neglect friction.]
.f -...,
,. .
\)t - 0
':> ~",
--
'\
~
-
28. The graph represents the relationship between speed and time for a car moving in a straight line. The
magnitude of the car's acceleration is
a) l.Om/s2
b) O.10m/s'
[
.£l. IOm/s'
I.
d) O.Om/a'
Speed vs.
lime
20.
o
1.0
2.0
3.0
Time (5)
29. A student standing on a knoll throws a snowball horizontally 4.5 meters above the level ground toward a
smokestack 15 meters away. The snowball hits the smokestack 0.65 second after being released. [Neglectair
resistance.J
dy::::
o: q, <(
dx ::::/S
\J -
=.~5
V;.O
,
-\-:;,
d
\(~ "+
I$'"
\J -:: ~5
Level ground
a) 6.9m/s
c) 17m/s
b) 9.8m/s
v:
0..
~
[]Gm/s
.,JI" ~ ~
]
L
.,..
30. A car, starting from rest, accelerates at 4.0m/sec2• What is its (velocTtyat the end' of 8.0 seconds?
a) 0.50m/sec
created by Acces for use by Doble High School only.
b) 2.0m/sec
c) 16m/sec
-
d) 32m/sec
?
'-I'
\} ~
~ .
CA .:
31. A car accelerates uniformly from' rest to a speed of 10 meters per second in 2 seconds. The acceleration of
t he car IS.
-
a) 0.2m/sec2
d) 20m/sec2
c) 10m/sec2
\J',;;' D
\J~~\D
1'" .l
a.-;.~
32. A cannon fires a projectile at an angle with the horizontal. The horizontal component of the projectile's
initial velocity is 866 meters per second and its initial vertical component is 500 meters per second. [Neglect
air resistance.]
What is the shape of the path that the projectile will follow?
~W\\~
O..\vJo..~s ~~
Ita) circular
b) straight
...
"
created by Aeces for use by Dobie High School only.
c) hyperbolic
--
, ~
~'r?(..\ot>\Po....
r-tjO--
-
n.l \t.\S
8
d) parabolic
oi-\
0-4'l!"1 L .
~6--
34.
A steel ball is dropped from a height of 100 meters. The velocity of the ball after one second is 10 meters
per second. What is the velocity of the ball after 2 seconds?
a) 10m/sec
~
20m/sOC]
Q.='1.i
V; ;<,-1)
\)~~~
.\--..,'Z-
35.
The diagram here shows a ball thrown toward the east and upward at an angle of 30° to the horizontal.
Point X represents the ball's highest point.
What is the direction
of the ball's velocity at point X?
a) down
b) up
A+
?Ol'l\.+ X)
~
()..t~
[ill. J
c) west
east
+~ \}w-huJ._·· V.t1DL-~
IN'
1"
[Neglect friction.]
a..--\- ~
po()\..k
f~
i /\ ~
rej()..'\"'zt\~,~S ":>~)
SD ~
bA~ \)L\'\)(X~
hC$('2..IN"-~
as: 'V\G"( l'--()A.~~ Vt-\ot.d-'1
+~
36.
Base your answer to the question on the information
q 18" y.A-i~
~rtse ...v\:t- is ('\I\..
d-
C~~~
.
\J Q._rkit,o.O $
~"-'vtS
given.
A 1,000-kilogram car traveling with a velocity of +20 meters per second decelerates
meters per second/ until it comes to rest.
What is the total distance
the car travels as it decelerates
a) 10m
b) 20m
\). := 2D
I
a.. ~-5
cAr-
ti r 7
created
by
Aecas for use by Dobie High School only.
\If'2...-V;l-
D 20 _
",*,~1-
....'5 ~ - ~~
-IOd ~ ...t./OD
d.
uniformly at -5.0
to rest?
d) 80m
~d
Vk";-O
~+
D {'(~
-:=
L..f 0 'tV'
37.
A clam dropped by a sea gull takes 3.0 seconds to hit the ground.
height above the ground at the time the clam was dropped?
t~3
~r?
d) gOm
d ~(\j:')(+) + ~ La)(t
(0 )(3) + t (c, :<t)(3"Z-)
Z
)
a~
Ck~~,S
V' ~ 0
d :: &~q){9)
d -:;.
4-4',1 rY" -->.> ~
I
38.
[~451
b) 30m
a) 15m
What is the sea gull's ~proximat~
elw:~ a.rrY"b)(j~.1re
a..V\~~
tVt()lU
A ball is projected horizontally to the right from a height of 50 meters, as shown in the diagram.
diagram best represents the position of the ball at l.O-second intervals? [Neglect air resistance.]
Which
It,.
a)
•
•
b)
•••
•
c)
•
•
•
•
•
•
cl ~ h.6'vJ s
At1~\jst...r
t..\.J\.~On..
1
\jt-\Ol\~
(~\f'(_ 1-0 ~
CL~""--t1
39.
•
~
0... t.(\'V\. ~ ~-\-
50m
J__
..____
her l "2-~ ~
SPCc.(l'J> ~Pl ""--(')
'l V\.J..N. \) e.'(..\-, e-& {~~
(~ d v< +c 'Y-A.-V~
~t>'("('-z_~\-ttJ.
A child riding a bicycle at 15 meters per second ~elerates
at the rate of 3.0 meters per second- for
4.0 seconds. What is the child's speed at the end of the 4.0 seconds?
a) 12m/s
b) 27m/s
d) 7.0m/s
~;;::J'S
C\
7'3
+;~
'l.t':~
created by Acces for usa by Dobie High School only.
.~
.._
..
\
) ,
40.
An object initially traveling in a straight line with a speed of 5.0 meters per second is accelerated at
2.0 meters per second squared for 4.0 seconds. The total distance traveled by the object in the 4.0 seconds
is
& 36mJ
b) 24m
d: (Vi)(Jr ) ~ ~L4,){.r~)
d:- (S)(t-f) ~ t(:))(42.)
\J;~S'"
tJt'='-'2..
1-;.L.f
ct ;- 20 4- ~(p
d~ ~
41.
d) 4.0m
c) 16m
d,
3(P M
The diagram given shows a projectile moving with a speed v at the top of its trajectory.
Which vector best represents the acceleration of the projectile in the position shown?
a) ~
l'NYt
c)
b) -t
\S
'r\;~
""Or;1..W\W
Thife.
rS o.-~~
~V(11u.Q rJvv<. ~
~ \)\~
42.
t~>
---X.
-: Projectile --_ ,
,,
,,
Gt~~·+n)Yl.
fy-t~-}
~~V
---.~~-
"j
t
(h-f ~ ~~
l"f\_
B
CIII
11111111111 11111117 ;;
Ground
~
OvlvJ~'i
5
r:J.,~.
In the diagram shown, a 10-kilogram sphere, A, is projected horizontally with a velocity of 30 meters per
second due east from a height of 20 meters above level ground. At the same instant, a 20-kilogram sphere,
B, is projected horizontally with a velocity of 10 meters per second due west from a height of 80 meters
above level ground. [Neglect air friction.]
Compared to the vertical acceleration of sphere A, the vertical acceleration of sphere B is
a) the same
created by Accn for us. by Doble High School onty.
b) twice as great
c) one-half as great
d) four times as great
43.
A stone is dropped from a bridge 45 meters above the surface of a river. Approximately
does the stone take to reach the water's surface?
-r::-'?
r?I /1)( f-&')
&) .] %" :;.+
1..1 ~
V:~
:;:.
1;.-
A ~"),~
-
d) 22,
4S,-;: (0) (f) +-- ~('11~)C1~")
d.::LtS"
44.
[:1. 3n]
b) 10,
a) 1.0 s
how many seconds
"3.03-::.+-·
Four different balls are thrown horizontally
the shortest time of flight? '
off the top of four cliffs. In which diagram
v=
b)
m
=
does the ball have
35m1s
0.25 kg
s = 375 m
Ground
v = 40 m/s
c)
d)
m = 0.10 kg v = 20 mI~
m = 0.50 kg
,~ 250ra
s = 450 m
L.....::-Or-ou-n-="d
45.
A rock falls freely from rest near the surface of a planet where the acceleration
per second", What is the speed of this rock after it falls 32 meters?
a) 8.0m/'
b.~)
16:~']
c) 25m/'
\}.'
-;_
0
d ~'-I
u~~
".
K
V
r
d ~ 31created by Acces for use by Doble High School only.
1f '::-»s "l. -
0 t,
"2. (.~..,\
"~"I
j!5'& :: \j R. ~
l(,"";
\)~
due to gravity is 4.0 meters
d) 32mjs

Download Report