Final Exam: Physics 117 504
May 18,2004
JamesJ. Griffin
Physics 2109rrel.301-405-6118
Page 1 of 23 (Twenty two pagesof exam follow)
Physics 117 Final Exam, Cover Page
A) GENERAL INSTRUCTIONS
This exam consists of 120 questions worth two points each for a
Homework Set #2 Solutions (9/8-12)
Chapter 3: Questions 18, 40, 59 Exercises 12, 20, 24
Questions:
18. Yes, the net force resulting from these two forces can have any value between
zero and 1400 newtons.
40. The acceleration of both objects is zero, so th
Homework Set #3 Solutions (9/15 9/19):
Chapter 4: Questions 9, 24 Exercises 7, 11
Questions:
9. a) Speeding up in a straight line
b) Speeding up and turning left
24. The independence of the vertical and horizontal motions means that they will hit at the s
Homework Set #4 Solutions (9/22 - 9/26):
Chapter 5: Questions 24, 29, 45 Exercises 10, 18, 22
Questions:
24. Because the variation in the force is not usually important for motion near the Earth's surface, we use the
simpler form as it gives a very good a
Homework Set #6 Solutions (10/6 - 10/10):
Chapter 7: Questions 22, 30, 33 Exercises 12, 15, 21
Questions:
22. At points A and B the gravitational force is doing positive work and the satellite's kinetic energy is
increasing. At point C the gravitational f
Homework Set #5 Solutions (9/29 - 10/3):
Chapter 6: Questions 14, 33, 39 Exercises 17
Questions:
14. Momentum is a vector. Both balls have the same initial momentum. The change in momentum is
greater for the ball that bounces and so it must experience the
Homework Set #7 Solutions (10/13 - 10/17):
Chapter 11: Questions 19, 28, 40 Exercises 14, 19
Questions:
19. They have the same number of molecules.
28. The tire must support the same weight. With half the pressure it must have double the contact area,
whi
Homework Set #8 Solutions (10/20 - 10/24):
Chapter 12: Questions 22, 49 Exercises 13, 17, 19
Questions:
22. The air exerts an equal upward force on the bottom of the cookie sheet.
49. The buoyant force is the same because they both displace the same volum
Homework Set #9 Solutions (10/27 - 10/31):
Chapter 13: Questions 13, 27, 34 Exercises 13, 18
Questions:
13. Heat is a flow of thermal energy, whereas temperature is a measure of the average kinetic energy of the
toms and molecules. Notice that temperature
Exam II
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
_
1. What is the distinguishing characteristic of crystals?
a. They are solids.
b. They have repeating geometrical structures.
c. They are
Homework Set #11 Solutions (11/10 - 11/14):
Chapter 9: Questions 27, 32, 49 Exercises 12, 13, 19
Questions:
27. The scale reading is less than your weight because the inertial force acts opposite to the gravitational
force.
32. It would weigh the same bec
Homework Set #10 Solutions (11/3 - 11/7):
Chapter 14: Questions 11, 15, 26 Exercises 11, 15, 23
Questions:
11. First: You cannot get more energy out of a heat engine than you put into it. Second: You cannot convert
all of the thermal energy back into mech
Homework Set #12 Solutions (11/17 - 11/21):
Chapter 15: Questions 11, 31, 53 Exercises 11, 17, 23
Questions:
11. Because it takes 60 seconds for the second hand to go around once, it has a period of 60 seconds. The
frequency is the reciprocal of the perio
Homework Set #1 Solutions (9/2-5):
Chapter 2: Questions 31, 38, 49 Exercises 5, 9, 21
Questions:
31. The bicycle undergoes the greatest change in velocity in the same time interval
and therefore has the greatest acceleration.
38. The ball slows down by 10
PHYS 117- Exam I
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
_
_
_
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1. Car A travels from milepost 343 to milepost 349 in 5 minutes. Car B travels from milepost 493 to milepost
499 in 5 min
Exam I: Physics 117 S05 February 25, 2005
JamesJ. Griffin Physics 2109rrel.301-405-6118 Page 1 of 12 cfw_Eleven pagesof exam follow.)
Physics 117 Exam I, Cover Page A) GENERAL INSTRUCTIONS This exam consists of 60 questions worth two points each for a max
.
J arnes J. Griffin
Physics 2109trel.301-405-6118
Page 1 of 13 (Twelve pages ofexarn follow.)
Exam ll: Physics 117 SO5
April 1, 2005
Physics 117 Exam II, Cover Page
A) GENERAL INSTRUCTIONS
This exam consists of 60 questions worth two points each for a ma