Physics 110 Spring 2014
Hour Exam #1
Name:_KEY_
I affirm that I have carried out my academic endeavors with full academic honesty.
Signed:_
Short answers (2.5 pts each for a total of 25 pts): Answer all questions with only one response
in the margin.
_C_1
Hello welcome! I will be teaching you, on how to "Use the LSMG3' correctly and more precisely.
First off you need to make sure you have a low sens. Yes I said it, 'low sens' xD. Why? because
without it this gun won't be useful at all. The point is to make
Hello welcome! I will be teaching you, on how to "Use the LSMG3' correctly and more precisely.
First off you need to make sure you have a low sens. Yes I said it, 'low sens' xD. Why? because
without it this gun won't be useful at all. The point is to make
Physics 110 Third Hour Exam
Name:_Answer Key_
Part I Short answers: Answer all questions with only one response in the margin.(3 pts each for
a total of 30 pts). Note: for partial credit write a clear phrase or show calculations clearly
justifying your ch
Answers to Practice Exam #1
1. a) 16.1 m/s
b) 0.83 sec
c) 5.1 m
2. a) 15 m/s
b) 2 m/s2 to the right
c) 2.86 N to the right source is the 5 kg block
3. a) 35.1 N/m
b) 1.75 m/s2 at the amplitude
c) 0.15 m/s at equilibrium
4. a) KE at A = 1.20 J
b) vB = 5.0
Part II: Problems: Show all work and/or reasoning for full credit. Please answer all parts. (70
points total individual points for parts shown)
1. A 5 kg block slides down a 30o rough inclined plane with a coefficient of kinetic friction of
0.2. (22 pts)
Physics 110 Spring 2014
Hour Exam #2
Name:_Solutions_
I affirm that I have carried out my academic endeavors with full academic honesty.
Signed:_
Short answers (2.5 pts each for a total of 25 pts): Answer all questions with only one response in the
margin
Physics 110
Equation List
Final Exam
= m /V
v=
E = KE + PEgrav + PEspring =
constant
x
t
a=
Fx =
F = ma
v = vo + at
v = v + 2ax
L v
Reynolds R =
2
o
1
Ff = C Av 2
2
F f = fv
F = -kx
x(t ) = A cos( t )
v(t) = -A sin(t)
k
=
m
2 1
T
= =
f
F
L
=Y
A
Lo
W = F
Answers to Practice for Final Exam
1.
a. 98 m/s
b. 490 m
c. 24 m/s2 up; F = 1920 N up
2.
a. inelastic
b. 1.74 m/s
c. 0.15 m
d. 609 J
3.
a. 3 rad/s
b. 20 N
c. 30 s
d. 1350 J
4.
a. 1090 N
b. 4
c. 0.52 m
d. 0.008 m
e. closed
5.
b. 2.54 m/s2 yes
c,d. 3.1 m/s
Exam #1 Practice Problems
1. A 0.2 kg ball is thrown vertically downward at 8 m/s from the top of a 10 m tall cliff.
(Neglect air resistance.)
a) Find the velocity with which the ball hits the ground.
b) How long does the ball take to hit the ground from
Chapter 10
1. Ideas on transverse/longitudinal waves
2. Definitions of relevant terms for waves: f, , T, v, k,
3. Traveling waves on a string
4. Interference of waves, superposition
5. Standing waves on a string, resonance
Chapter 11
1. Basic ideas on so
Physics 110
Assorted Practice Problems for Final Exam
1. An 80 kg novice skydiver is flying in a plane at an altitude of 3000 meters. Reluctant
to jump on his own, he is pushed out of the plane by the skydiving instructor, and
screams at a constant 440 Hz
Physics 110
Practice Problems for Exam 3
Problems
1. A uniform cylinder of 0.5 kg mass and 5 cm radius lies on an inclined plane with a 30o
angle of inclination.
a) Draw a carefully labeled free-body diagram for the cylinder when at rest at its initial
he
Part II: Problems: Show all work and/or reasoning for full credit. Please answer all parts. (70
points total individual points for parts shown)
1. A 5 kg block slides down a 30o rough inclined plane with a coefficient of kinetic friction of
0.2. (22 pts)