Page 3
11. A bullet is fired with a certain velocity at an angle 8 above the
horizontal at a location where g = 10.0 m/s2. The initial x and y
components of its velocity are 86.6 m/s and 50 m/s respectively. What is
the initial velocity of the bullet?
a.
Page 2
6.
The horizontal and vertical components of the initial velocity of a
football are 24 m/s and 7 m/s respectively. What is the initial velocity
of the football?
,J
a. 31 m/s
Voy "'",2.A1'l j
I
",
(V
@25m/s
c. 17m/ s
d. 42 m/s
7.
J
Vo .:
~I(').
7I
=
Page 1
Test #1, PHYS 1111, Section
5 (12:201:
;
Opm) , Stancil
This is a multiple choice test of 15 questions. Give only one answer
each question. Besure to enter your name and SSN on the form.
1.
for
A boy throws a ball with an initial velocity of 25 m/
Page 2
6.
In simple harmonic motion, the speed is greatest at that point in the
cycle when
a. the magnitude of the acceleration
is a maximum
b. the displacement
is a maximum
,(JO q~o
@ the magnitude of the acceleration is a minimum
d. the potential energy
Page 1
Test #4, PHYS 1111, Section
Nov. 25, 2002, Stancil
5 (12:201:10pm)
This is a multiple choice test of 13 questions. Give only one answer for
each question. Besure to enter your name and SSN on the form. You may keep
the question sheet.
1.
A sewing
Page 3
10. Three masses are located in the xy plane as follows: a mass of 6 kg is
located at (0 m, a m), a mass of 4 kg is located at (3 m, a m), and a
mass of 2 kg is located at (0 m, 3 m). Where is the center of mass of
the system?
'1
X~m~.";X;
';1'1,0
VI
Page 2
4.
<:00
t1I (
V
y
2
(If'L
Two ice skaters push off against one another starting from a stationary
position. The 45kg skater acquires a speed of 0.375 m/s. What speed
does the 60 kg skater acquire?
(
n
f'1b
I"'i
a. 0.450 mls
V:;e.
cVI1':.erV/
Page 1
Test #3, PHYS 1111, Section
Oct. 30, 2002, Stancil
5, (12:201:10pm)
This is a multiple choice test of 13 questions. Give only one answer for
each question. Besure to enter your name and SSN on the scantron form. You
may keep the question sheet.
Th
Page 4
Scenario 83:
A 2g bead slides along a wire, as shown in the figure.
is at rest. Neglect friction and use g = 10 m/s2.
13.
Refer to Scenario
a. 10 mls
83: What
At point A, the bead
is the speed of the bead at point B?
mls
mls
4.5 mls
b.
4.9
c.
0
Page 3
8.
9.
In the 81 system
a. Js/m
b. Jm/s
@) Nm/s
d. W/m
power has the same units
as
An astronaut
weighs 99 N on the moon, where the acceleration
is 1.62 m/s2. How much does she weigh on earth?
a. 61 N
'W:
m'1
V C =' tYJ 4' _
b. 99 N
W'I'
JI'1
Jf:=
@7
Page 2
4.
An object
4.0N for
+ x axis?
a. 8.0 kg
b. 8.0 kg
c. 6.9 kg
6.9 kg
@
of mass = 2.0 kg in Figure 1 is pulled by a constant force F =
a horizontal distance of 2.0m. What is the work done along the
Neglect friction.
m/s2
m2/s2
o
(0:' J 0
m/s2
m2/s2
Page 1
Test # 2, PHYS 1111, Section
Oct. 2, 2002, Stancil
1.
A tightrope walker with a mass of 60.0 kg stands at the center of a rope
which was initially strung horizontally between two poles. His weight
causes the rope to sag symmetrically,
making an ang
15)
15) For a periodic process, the number of cycles per unit time is called the
A) wavelength.
.f~ 4~
C<:'
<@requ~
C) period.
D) energy.
r;
E) amplitude.
I
=

"'(
I M
j.,/YU. ~v
one. CV] C
(
_
I
L
C
16) A mass on a spring undergoes SHM. When the mass
F~D
FIGURE 2
C
12)
12) When you ride a bicycle, in what direction is the angular velocity of the wheels?
A) backwards
up
C) to your left
~ ) forwards
E) to your right
/'
~
1L
'6 5 f:; ()
T i~ k mg.:=:o
(9
,5
2
T=
13) A store's sign, with a mass of 20
5) Angular momentum cannot be conserved if
A) the angular velocity changes.
B) the angular acceleration changes.
there
is a net force on the system.
D) he net torque is not zero.
~ E the moment of inertia changes.
5)~
6) A sound source departs from a stat
PHYS 1111,Section 5, Fall 2009
Test no. 4
December 3, 2009
2:00pm  3:15pm
NOTE: TIIis fest consists of 2() multiple choice problems. 18 of theproblems ure reuiret!, while the exhu .2
urefor bonus points. Fill in your nume, Student m, und unswers on the s
19) A 310g air track cart is traveling at 1.25 ml s and a 260g cart traveling in the opposite direction
at 1.33 ml s. What is the speed of the center of mass of the two carts?
c",",
rtSP.0732 m/s
\/
_
f'YJ'
'B)0.131m/s
Vc~l
l
rIA
V, Vl
,.,/
C) 1.29 m/s
12) A force of 4.0 N appli~d ~o a spring compresses it by 8.0 cm. What is the amount of work done to
compress the spring by an additional amount of 5.0 cm?
~
A)50N/m
B)0.50J
C)2.0J
~
E)20J
=:;.J)
_
12)
/3
)<1.: 0 ,0 ~ t 0,0)" M :;d
f;t1
13) An object
FIGURE 2
p~:t
Force
(T)
t.
1)
mevfLv;

I/~ot;([jrf_,s"ll
20
1(J I
fD
I.
=E ~
. ,.
I~_

Po,'oo(m)
vo lJ
J/2.t4
7YN )5
10
1~
6) An object is under the influ nce of a force as represented by the force vs. position graph as
shown in Figure 2. What is t
PHYS 1111,Section 5, Fall 2009
Test no. 3
October 29,2009
2:00pm  3:15pm
NOTE: This lesl consists of 2cfw_) multiple choice proDlems. 18 oflhe proDlems ore reuired, while Ihe extro 2
ore for Donus points. Fill in your nome, SIu"enlID, on" onswers on Ihe
~ '(Yl?
k
18) The hydrogen atom consists of a proton of mass ~67 x 1027 kg and an orbiting electron of mass
9.11 x 1031 kg. In one of its orbits, the electron is 5.3 x 1011 m from the proton. What is the
mutual attractive gravitational force between th
11) A plane has an airspeed of 142 m/ s. A 16.0 m/ s wind is blowing southward at the same time as
the plane is flying. If the velocity of the plane relative to Earth is due east, what is the magnitude
ofthat~?
[41 m/ s)
B) 16.2 m/ s
C) 158 m/ s
D) 16.0 m
~
FIGURE 1
Ll~T
~i
l
l
.0
Prt>b. 7 J P~ YYJ q
f 'c  F
F 1I~ I~SrJ
1;X':=: ',><+
2.,('=
~
 Fy (N)
t3
!
_
!1 .; F,1
i
a><~ is: _~
l!
A
3
t4
m.
r:
N
r~
r1
,.!.:J. _ I
~ () 133_
!
ri
~L 1 ,
3 ro
I"J
l
4. f2.,
~e\
\
A
@
A
E)(15.0m/52)<
1).
A
+
Fs'
.
PHYS 1111,Section 5, Fall 2009
Test no. 2
October 6, 2009
2:00pm  3:15pm
NOTE: This test consish of 2cfw_ multiple clloice proDlems. 18 of tileproDlems ore re~uiretl,wllile tile extro .2
ore for Donuspointy. Fill in your nome, ShI"ent.DJ, on" onswers o