PHYSICS 11 FALL 2014
Homework Solutions #4
1.
A lamp of mass m = 4.26 kg is hanging from
wires as shown in the diagram.
a) Find the tensions in the three wires. Draw
appropriate free-body diagrams to accompany your
analysis.
60
T2
T3
60
Because the system
Physics 11 Homework #3
Due at noon on Friday, September 23, 2016
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point deduction for omitting this question.)
1.
Bill drops a cantalou
Physics 11 Homework #5
Due at noon on Friday, October 14, 2016
Each problem is worth 10 points, unless otherwise indicated.
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point dedu
Physics 11 Homework #4
Due at noon on Friday, September 30, 2016
Each problem is worth 10 points, unless otherwise indicated.
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point de
Physics 11
Lab J
Laboratory 2: Acceleration of a System of Two Objects
Intro/Purpose: The purpose of this lab is twofold-to determine whether the acceleration
due to gravity, g, is always constant, and also to use our calculated values of the normal
force
PHYSICS 11 FALL 2017
Homework Solutions #2
1.
Jim and Betty normally get along fine, but when theyre traveling they tend to
quarrel. By the time they got on the moving sidewalk at the airport they were no longer
speaking, and while Jim just stood on the m
PHYSICS 11 FALL 2017
Homework Solutions #3
1. Bill drops a cantaloupe from the top of a building. At the same moment, Katniss
releases an arrow straight up from the bottom of the building. When the arrow hits the
canteloupe, the cantaloupes speed is twice
PHYSICS 11 FALL 2017
Homework Solutions #4
1.
A lamp of mass m = 4.26 kg is hanging from
wires as shown in the diagram.
a) Find the tensions in the three wires. Draw
appropriate free-body diagrams to accompany your
analysis.
60
T2
60
Because the system is
Lab P
November 10th, 2013
Laboratory 5: Rotational Inertia
Purpose: In class, we have recently addressed the connection between linear and rotational
motion. In fact, these two types of motion are analogous, with very similar formulas involving
velocity,
Physics 11 Homework #4
Due at noon on Friday, September 29, 2017
Each problem is worth 10 points, unless otherwise indicated.
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point de
Physics 11 Homework #5
Due at noon on Friday, October 13, 2017
Each problem is worth 10 points, unless otherwise indicated.
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point dedu
Physics 11 Homework #1
Due at noon on Friday, September 8, 2017
Each problem is worth 10 points
0. List the students with whom you worked on or discussed this assignment. If you didnt
work with anyone, write None. (2 point deduction for omitting this ques
PHYSICS 11 FALL 2017
Homework Solutions #1
1. Comment on these three signs in terms of the ideas of units and unit conversions,
precision and significant figures, dimensional analysis, and anything else you think is
relevant or worth mentioning.
a)
b)
c)
PHYSICS 11 FALL 2014
Homework Solutions #13
1)
Two identical beakers containing the same mass of water are placed on the two
sides of a two-pan balance, so that it is exactly balanced.
a) A cube of ice, 4.0 cm on a side, is placed in one of the beakers an
Physics 11
Lab P
Laboratory 4: Ballistic Pendulum
Purpose-This lab uses the concepts of conservation of momentum, energy, and
horizontal projectile motion to find the initial velocity of a brass ball launched from a
ballistic pendulum. In experiment 1, th
Lab J
Lab#3
Due-10/16/13
Laboratory 3: Work and Energy
Purpose-The primary purpose of this lab was to develop a firmer grasp of the relationship
between work and the change in energy of an object. As we have already discussed, the net work
on an object is
9/18/13
Physics 11 LP
Laboratory 1: Free-Fall Acceleration
Questions to be Answered/Intro: In class, we've recently learned that during free fall, an object
experiences the constant acceleration of gravity, or 9.81m/s. This is known to be independent of
t
Keep This Sheet
I NTERACTI VE LECTURE D EM ONSTRATI ONS
RESULTS SH EET -N EWTON 'S 1ST & 2N D LAWS
Demonstration 2: The frictional force acting on the cart is now
increased. The cart is pulled with a constant force (the applied force)
so that it moves awa
A bicyclist is starting
from a stop. The
velocity is very small,
so there is no air
resistance, but the
acceleration is to the
right, as shown.
Which free-body
diagram best
illustrates the forces
on the bicycle?
a
Fn
A)
Fn
B)
Ff
ma
W
Fn
Ff
Ff
W
Fn
D)
Ff
E
Newtons Laws of Motion
1)
2)
3)
Newtons Laws of Motion
1) An object at rest will remain at rest, and an object in
motion will remain in motion with constant velocity, if and
only if the net external force on it is zero.
2)
3)
There is a steady wind blowin
A
Adding Vectors Graphically:
1) Arrange vectors tip-to-tail
B C A B
2) Resultant (vector sum) goes from
tail of first vector to tip of last
vector.
No coordinate axes are needed.
Good for qualitative answers.
(Which way does it point?
How big compar
Keep this sheet
Name_
INTERACTIVE LECTURE DEMONSTRATIONS
PREDICTION AND RESULTS SHEET-NEWTON'S 3RD LAW
Directions: Follow your instructor's directions. On this sheet record BOTH your predictions of what
you think will happen AND your observation of what a
At the Rio Olympics, Simone Manuel swam the 100 m
freestyle (two lengths of the pool) in about 50 seconds,
(actually 52.70 s) finishing at her starting point and winning
a gold medal.
To one significant figure, what was her average velocity?
A)
B)
C)
2 m/
http:/eerc01-iiith.vlabs.ac.in/exp1/Animation/1.Tension.html
https:/www.youtube.com/watch?v=Adhwk1ISH2w (watch fully)
https:/www.youtube.com/watch?v=D8U4G5kcpcM (watch from 2 to 4 minutes)
Equilibrium and Stability
Buckling
Derivation of Eulers Buckling F
PHYSICS 11 FALL 2014
Homework Solutions #10 Extra Credit
Optional Extra Credit (5 points). Suppose
you take a bicycle and stand it upright on the
ground, but dont get on it. Rotate the pedals so
that the one on the left side of the bike is at its
lowest p
Physics 11 Homework #2
Due at noon on Friday, September 15, 2017
0. List the students with whom you worked on or discussed this
assignment. If you didnt work with anyone, write None. (2 point
deduction for omitting this question.)
1.
Jim and Betty normall