Physics 171.101 Exam 2 answers October 24, 2014
Prof. Barnett
Use Sin(37°):Cos(530)=0.6, 003(370):Sin(530)=0.8, Igl :2 10m/s2.
1. Answer each of the following ve short questions.
A) (8 pts) The adjacent gure shows four possible directions,
either horizont
Two submarines on a secret mission need to arrive at a place in the middle of the ocean at
the same time. They start out at the same time from positions equally distant from the
rendezvous point. They travel at different velocities but both go in a straig
AS.171.101 (06), 08/29/2014, Bin Ren
0. Spreadsheet:
(See Q00.pdf)
HINTS:
Refer to Section 2.4 and Section 2.5 in the textbook (Fundamentals of Physics by
Halliday).
For your information, the reason why the ball
Dynamics of Rigid Bodies
A block and a spool are each pulled across a level, frictionless surface by a string, as shown below. The
string pulling the block is tied to the center of the front of the block. The string pulling the spool is
wrapped many times
Hello, 171.101 students.
Attached are some examples of hour exams and nal exams from previous years.
Sometimes the book was different and sometimes the material covered on a certain
exam was different from what exams this year will cover.
\ Physics 171.10
Kinematics in Two Dimensions
A ball is moving clockwise around an oval track, with an overhead view of the track shown below. The
points A and B indicate the location of the ball at two different times (the ball moves from point A to
point B), and point O
Rigid Body Dynamics - Conceptual Exercise Solutions.
1. We only need to consider the forces and torques acting on each object, so we should
focus on the free-body diagrams for each object. For the block, the only force acting in
the x-direction is the for
HRW CHAPTER. 5
GOAL:
1. FORCE
2. NEWTONS THREE LAWS OF MOTION
3. SOME SPECIFIC FORCES
A) GRAVITY
B) NORMAL FORCE
C) ROPES
D) PULLEYS
5-3
"TOTAL FORCE E VECTOR SUM OF ALL THE
FORCES ACTING ON THE SYSTEM.
GIVEN 3 FORCES: F1, F5. 1%., 13.0,", = F] + F1; + 1%
Physics 171.101 Exam 3 Answers November 21, 2014
Prof. Barnett
Use Sin(37°)=0.6, Cos(370)=0.8, 1mm. = MR2, |g| = 10m/s2, G = 6.7 x 10*11 N - m2/kg2
Write the following sentence onto the cover of your blue book and Sign it.
I agree to complete this exam wi
A hydraulic press consists of a U-pipe filled with oil, where the two vertical cylindrical columns have
different diameters, as shown. Two students, each with mass , stand on an approximately massless
piston at the top of the left column, with diameter .
Water flows from the pipe shown in the figure with speed
column of water?
. What is the height
of the standing
=
Pressure - Problem 5 Solution
Lets rst dene three reference points throughout this pipe arrangement. Point 1 will
be located in the thick p
1st law: An object at rest will remain at rest unless acted on by an
unbalanced force. An object in motion continues in motion with the
same speed and in the same direction unless acted upon by an
unbalanced force.
This law is often called "the law of ine
Physics 171.101 Exam 2 Answers March 12, 2009
Prof. Barnett
Do all 4 problems. Everything should be written in ink.
You are allowed to use a calculator and material written on one 3x5 index card.
Use
1. Three massless strings connect three masses,
Sin(37)
Physics 171.101 Exam 3 April 15, 2001
SOLUTIONS
Prof. Barnett
You may use anything written on the front and back of ONE 3): 5 index card.
Everything shbuld be written in ink and no snow paint should be used.
Use g = 10 m/secz, 7r = 3, [hoop = mrz, cfw_dis
171.101
Final Exam
Spring 2013
General Physics 171.101
Final Exam
May 14th, 2013
Answer all six questions.
VERY IMPORTANT: YOU MUST SHOW AND EXPLAIN ALL YOUR WORKING
TO GET FULL CREDIT. THIS INCLUDES MULTIPLE CHOICE QUESTIONS.
Partial credit will given fo
A hydraulic press consists of a U-pipe filled with oil, where the two vertical cylindrical columns have
different diameters, as shown. Two students, each with mass , stand on an approximately massless
piston at the top of the left column, with diameter .
Physics 171.101 Exam 1 Answers February 23, 2017 Prof. Barnett
1 On a level eld you start at your parked car and walk East a while (Vector A), then turn
exactly Northwest and walk (Vector B) again until you are exactly 100 meters North (Vector
C) of your
Midterm exam (February 19, 2015): General Physics I (171.101)
Prof. Andrei Gritsan, Spring 2015
This Midterm exam covers topics from chapters 1, 2, 3, 4 of the textbook Fundamentals
of Physics, by Halliday, Resnick, and Walker. You can use one 3 x 5 white
Capacitance
A small portion near the center of a large conducting sheet, with negligible thickness, is shown
magnified below on the left. On the right is a small portion near the center of a large, thin conducting
plate, with finite thickness. The portion
Physics 104 Spring 2017 - Instructor: N.P. Armitage
Blackboard HW 3
Due Feb. 24th at midnight. You may use calculators if necessary. Please use additional sheets of paper if necessary.
Show your work and explain your reasoning. Then upload a pdf to Blackb
Physics 104 Spring 2017 - Instructor: N.P. Armitage
Blackboard HW 5
Due March 10th at midnight. You may use calculators if necessary. Please use additional sheets of paper if necessary.
Show your work and explain your reasoning. Then upload a pdf to Black