Phys 431 HomeworkCh 17
1
Name:
ALSO:
NAME on BACK of last page
FOLD the long way with THIS COVER PAGE on INSIDE
Chapter Reading:
Entire chapter
Required Questions and Problems (to turn in): On attached pagescomplete your work on the sheets provided.
Probl
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Note: You must sign your name at the top of the exam or the exam will not be graded and you will receive a score of
zero. By signing your name at the top of this exam, you are agreeing that you will not commu
Name (print):
Exam Chapters 34-36
A
Physics 431
Spring 2016
CALCULATOR OK (Scientific, but non-programmable, non-graphing)
Explain your reasoning clearly for each of your answers, including multiple choice questions. Your
explanations may include words, d
Physics 431 Summary
1
Chapter 17
Temperature & Heat
Temperature & Temperature scales
Kelvinabsolute temp scale: T
[Kelvins] = [K] (not )
o T K trans = average random translational KE per atom
o Absolute zero: When K trans = 0 , no molecular movement, then
mm. We
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Summary Sheet Quadrilateral Properties
PARALLELOGRAMS (rectangles, squares, and rhombi):
1)
2)
3)
4)
Opposite sides of a parallelogram are congruent.
Opposite angles of a parallelogram are congruent.
Consecutive angles in a parallelogram are supplementary
1
2
3
4
Sum
350.SAW.EXAM.2
Name:_
Date:_
Solve answers in terms of variables first then plug in. Box your final answer. Keep track of
units.
If asked for a force, you must include the magnitude and direction. If asked for magnitude, then
magnitude is suff
1
2
350.SAW.EXAM.1
3
4
Sum
Name:_
Date:_
Solve answers in terms of variables first then plug in. Box your final answer. Keep track of
units.
If asked for a force, you must include the magnitude and direction. If asked for magnitude, then
magnitude is suff
350PracticeFinalNumericalAnswers
1.
t 2.86 s
v t 28.028
2. 80
3.
m
2
m
direction is the same as the kick
s2
t 1.02 s
x final 8.84 m
8 2 m
a
inward
9 s2
3
kg m
5. p 3 final
100
(North)
2
s
6. W 235.2 J
7. KE f 2940 J
4.
l2 1.85 m to the right
Vector Components
PHYS 350
1. The values shown are magnitudes.
F1 = 15.0 lb
F2 = 15.0 lb
F3 = 12.0 lb
300
400
For each vector, do the following.
express in polar form
find the components +11.5 lb, +9.6 lb; -15.0 lb, 0.0 lb; -6.00 lb, -10.4 lb
2. Given the
Date
_ / _ / _
Worksheet Members:_
2-D & Projectile Motion
Write your solutions in the form of variables first, and plug in numbers at the last step.
1. A car at rest starts at the origin and accelerates at 2m/s2 in the +y direction for 5 seconds,
and con
Vector Math
PHYS 350
Vector Addition
Given the two vectors and above, sketch
by the tip to tail method and
the parallelogram method. Be certain to label any vectors you have.
Does
question.
? Measure the lengths of all three vectors to answer this
-1-
You
Vector Addition
Given the two vectors and above, sketch
by the tip to tail method and
the parallelogram method. Be certain to label any vectors you have.
Does
question.
When would
magnitudes of
When would
? Measure the lengths of all three vectors to answ
Date
_ / _ / _
Team Members:
1-D Motion
PHYS 350
1. A car starts at x=2 m and have a constant velocity of 5 m/s.
a. Draw a quick sketch including a coordinate system.
b. What is the velocity at 10 seconds?
c. What is the cars location at 10 seconds?
2. A
Date
_ / _ / _
Team Members:
1-D Motion
PHYS 350
1. A car starts at x=2 m and have a constant velocity of 5 m/s.
a. Draw a quick sketch including a coordinate system.
b. What is the velocity at 10 seconds?
c. What is the cars location at 10 seconds?
2. A
Newtons First Law
PHYS 350
The following problem deals with Newtons First Law. Give detailed reasons to support all of your
answers
A box rests on a rough, horizontal surface where there is friction where indicated. See below.
applied force
A
B
C
friction
Newtons Second Law
PHYS 350
A 10.0 kg object has a speed of 2.00 m/s when two forces are applied to it. Assuming it
starts at the origin, what is its velocity when it crosses the x-axis?
y
F2
| F1| = 12.0 N
| F2| = 12.0 N
F1
|vo | = 2.0 m/s
x
= 50.0 o
v0
Newtons First Law
PHYS 350
The following problem deals with Newtons First Law. Give detailed reasons to support all of your
answers
A box rests on a rough, horizontal surface where there is friction where indicated. See below.
applied force
A
B
C
friction
Vector Components
PHYS 350
1. The values shown are magnitudes.
F1 = 15.0 lb
F2 = 15.0 lb
F3 = 12.0 lb
300
400
For each vector, do the following.
express in polar form
find the components
2. Given the x and y scalar components of a velocity vector are -30.
Free Body Diagrams Worksheet
PHYS 410
First /Last Names
A free-body diagram is an important visualization tool for solving force problems. A
free-body diagram is a simplified line drawing of an object, with all of the forces
General Kinematics Worksheet
PHYS 410
Related HW Problems: 2.7, 2.53, 2.76, 2.79, AP1, AP2
First /Last Names
W ork out the answers on a separate sheet of paper and staple this sheet to the front before
you turn in your work. Dont forget to include the nam
Vector Challenge Problem
PHYS 410
The structure shown in the figure below consists of boom BC and cable AC. This type
of structure is commonly built at construction sites. In addition to the two forces of | F1 | =
50 lb and | F2 | = 70 lb shown acting on
Projectile Motion 2 Worksheet
PHYS 410
Related HW Problems: 3.56, 3.65
First /Last Names
1. *A quarterback and receiver are initially separated by 35.0 m. The quarterback then throws
the football with a speed of 20.0 m/s directed 50.00 above the horizonta
Constant Acceleration 2 Worksheet
PHYS 410
Related HW Problems: 2.74
First /Last Names
W ork out the answers on a separate sheet of paper and staple this sheet to the front before
you turn in your work. Dont forget to include the names of everyone in your
Constant Acceleration 1 Worksheet
PHYS 410
Related HW Problems: 2.33
First /Last Names
W ork out the answers on a separate sheet of paper and staple this sheet to the front before
you turn in your work. Dont forget to include the names of everyone in your
Freefall Worksheet
PHYS 410
Related HW Problems: 42, 43, 48, 87, 94, AP1 (HW#3), AP2 (HW#3)
First /Last Names
W ork out the answers on a separate sheet of paper and staple this sheet to the front before
you turn in your work. Dont forget to include the na
Vector Components Worksheet
PHYS 410
First /Last Names
W ork out the answers on a separate sheet of paper and staple this sheet to the front before
you turn in your work. Dont forget to include the names of everyone in your group so you
all get credit.
1.