Physics 140/141
Problem Set 11, Energy Diagrams and Conservation of Mechanical Energy
Due: June 22, 2015
Problem 1. A rock of mass m and a rock of mass 2m are both released from rest at the same height and
feel no air resistance as they fall. Which statem
Physics 140/141
Problem Set 5, 2 Dimensional Kinematics
Due: June 15, 2015
Problem 1. A projectile is red upward at an angle above the horizontal wiht an initial speed v0 . At
its maximum height, what are its velocity vector, its speed, and its accelerati
Chemical Thinking
P6S1 Pre-Lab Worksheet v1.1 | 1
Project 6, Session 1
Pre-Lab Worksheet
Your TAs name:
Your name:
Lab section:
Your email:
GRADE _ /10 p
All work must be well-written and organized. If your penmanship is poor, you must type all responses.
Sampling
Rolling Motion (Inclined Plane).
Ideal Gas Law (Pressure and Volume).
University of Arizona
Abdulrahman Turkistany,
Abdulallah Alkhaja.
TA: AshoordinAshoormaram
First Experiment, (Rollin Motion)
Abstract:
In the Rolling Motion experiment, we used
Rolling Motion on an Inclined Plane
Rachel Suon
Physics 141 Section 15S
Lab TA: Donglin MA
Date Performed: 01/28/15
Date Submitted: 02/04/15
Abstract
A cylinder wood block was rolled down a ramp at varying distances to find out the relationship
between di
Physics 140/141
Problem Set 18, Simple Harmonic Motion
Due: July 7th, 2015
Problem 1. An object is moving with SHM of amplitude A on the end of a spring. If the amplitude
is doubled, what happens to the total distance the object travels in one period? Wha
1'33 . A 62.0—kg skier is moving at 6.50 m/s on a frictionless,
horizontal, snow—covered plateau when she encounters a rough
patch 3.50 m long. The coefﬁcient of kinetic friction between this
patch and her skis is 0.300. After crossing the rough patch and
First Name:
Last Name:
PHYS 140/141
June 30th, 2015
Exam #2
Version: Seahorse
Answer all of the following questions on the sheets provided. If you need additional sheets of paper for graded work, then
be sure that those sheets are labeled clearly as
First Name:
Last Name:
PHYS 140/141
June 30th, 2015
Exam #2
Version: Sea Cucumber
Answer all of the following questions on the sheets provided. If you need additional sheets of paper for graded work, then
be sure that those sheets are labeled clearly
Physics 140/141
Problem Set The Last, Fluids
Due: July 8th, 2015
Problem 1. An old question thats fun to ask is, Which weighs more, a pound of feathers or a pound
of lead? If the weight in pounds is the gravitational force, will a pound of feathers balanc
Physics 140/141
Problem Set 16, Blank
Due: July 2nd, 2015
Problem 1. Complete the last two pages of the in class activity on rolling motion (question 14 parts
A-D). The solutions to the previous pages will be posted to D2L for your reference. You
may also
Physics 140/141
Problem Set 13, Conservation of Momentum and Collisions
Due: June 25, 2015
Problem 1. In a completely inelastic collision between two objects, where the objects stick together
after the collision, is it possible for the nal kinetic energy
Physics 140/141
Problem Set 14, Rotational Kinematics
Due: June 29, 2015
Problem 1. Which of the following formulas is valid if the angular acceleration of an object is not
constant? Explain your reasoning in each case.
a. v = r
b. atan = r
c. = o + t
d.
Physics 140/141
Problem Set 15, Rotational Dynamics
Due: June 29, 2015
Problem 1. Is it possible for an object to have the same moment of inertia for all possible axes? If so,
give an example, and if not, explain why this is not possible. Is it possible f
Physics 140/141
Problem Set 4, 2 Dimensional Kinematics
Due: June 12, 2015
Problem 1. If you know the position vectors, rf and ri , of a particle at two points along its path and
also know the time interval, t, during which it moved, can you determine the
Physics 140/141
Problem Set 6, Newtons Laws
Due: June 16, 2015
Problem 1. Most of these questions are straight from your Fundamentals of Newtons Laws packet.
They have been reproduced here for your convenience, with the addition of several more.
For the f
Physics 140/141
Problem Set 2, 1 Dimensional Kinematics
Due: June 12, 2015
Problem 1. Can you nd two vectors with dierent lengths that have a vector sum of zero? What
length restrictions are required for three vectors to have a vector sum of zero? Explain
Physics 140/141
Problem Set 10, Work, Kinetic Energy, Conservative vs. Non-Conservative Forces
Due: June 23, 2015
Problem 1. A nonzero net force acts on an object. Is it possible for any of the following quantitites to
be constant:
a. the particles speed?
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PHYS 140/141
7 June 18th, 2015
Exam #1
Answer all of the following questions on the sheets provided. Make sure that your Name is written clearlty at the top
right corner of this page. This is a closed—book exam and you 90 minutes
First Name: 0
Last Name:
PHYS 140/141
June 30th, 2015
Exam #2
Version: Sea Cucumber
Answer all of the following questions on the sheets provided. If you need additional sheets of paper for graded work, then
be sure that those sheets are labeled clearly a
Lab Report Checklist
Necessary theories for discussion:
Measurement 1 and units:
Measurement 2 and units:
Measurement 3 and units:
Measurement 4 and units:
Abstract
Summarizes the gist of experiments goals of the report in a sentence
Arranges the sentence
First Name:
Angular Kinematics
Last Name:
I. Motion with constant angular velocity
A wheel is spinning counterclockwise at a Constant angular speed about an axis that
passes through its center and is perpendicular to the page. This type of motion is ref
Linear Momentum
2. A mass 5M breaks into four pieces; three have mass M and one has mass 2M. The
ﬁgure shows the velocity vectors for the three mass M pieces. Accurately draw in
the velocity vector for the mass 2M piece. Show your reasoning and/or
calcula
Energy Diagrams
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The graph below shows the potential energy function U(x) for a particle acted upon by a
one-dimensional conservative force 1301'). There are no other forces acting on the
particle. Assume that the +x—direCtion is to
Static Equilibrium
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A mass M is placed on a massless board a distance 51 from a frictionless pin. A force of
magnitude F is applied vertically to the end of the board, a distance 5‘2 from the pivot, as
shown below. In this conﬁgura
Work and Kinetic Energy
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In the ﬁgures below (A-E), identical boxes of mass M are moving to the right on a
frictionless horizontal surface. Each ﬁgure also shows a force that is applied to the
box while that box travels the distanc
Vectors
6. If = 4m andlBl = 3mwhatis l§+5l7
7. Let 21’: 3f—2yand§=—9?+ 437.Graph A’andﬁandézzlmﬁon
the axes provided. “ ,4 _ ,0”
Cl 23X 4‘
8. What is the x—component of E and what is the y—component of E?
Cx’Z/qx'gﬂk : ﬂ3)+3[’/) :3
g :2ﬂ7+3&; =1/-l)*
Rotational Dynamics 1
First Name: Last Name:
Each ﬁgure below shows a different object (A—C) and its rotation axis (dashed line). The
moments of inertia for these objects about their rotation axes are provided. All objects
have the same mass m and the
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