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PHY NYA Assignment #4
Due Date: Wednesday October 29, 2014 by 4pm in B-318 (slip under the door if the door is
Two masses, m1=10 kg and m2=5 kg, are attached by a lightweight string that passes over a
frictionless pulley of negligible
PHY NYA Assignment #1
Due: Friday September 05, 2014
by 4:00pm in B-318
a) Write the vector in component form.
b) Draw a coordinate system and on it show vectors , , and
c) What are the magnitude and direction of vector ?
PHY NYA Assignment #3
Due Date: Friday October 3rd by 4:00pm in B-318
(Please make sure that you show all your steps, including all appropriate diagrams. Most of your marks
are coming from your steps, presentation, and how you set up the problem)
03-Kinematics Part II
You are on the 12th story of a downtown building, 46.0 m above the ground. Your physics
professor, who is 1.80 m tall, is walking alongside the building at a constant speed of 1.20 m/s.
If you wish to dro
Vector has a magnitude of 27 and a direction of 40 North of West. Vector
magnitude of 34 and a direction of 58 south of east. Find the magnitude and direction of the
resultant vector = 2
[Type the company
A 3.0-kg object has the following two forces acting on it:
1 = (16 + 12)N and
2 = (10 + 22)N.
If the object has an initially velocity
0 = (2 4) m/s , determine its velocity at t = 3.0s.
[Type the company address]
02-Kinematics Part I
The x-vs-t graph for the motion of a certain object is shown here.
a) Sketch the corresponding v-vs-t graph on the axes below.
b) Sketch the corresponding a-vs-t graph on the axes below.
Three forces act on an object to give it an acceleration of magnitude 2.5 m/s2. These three
forces are given as:
1 = (2.0 + 2.0 1.0),
2 = (5.0 + 3.0), and
3 = (6.0 2.0).
a) What is the mass of the object?
b) If the ob
05-Newton's 3rd Law
Youre driving along at 25
m/s with a crate in the back
of your pickup truck when
suddenly you see a giant
hole in the road 55 m ahead of you. Your foot is right beside the brake and your reaction time
The coefficient of static friction is 0.60 between the
two blocks shown in the figure. The coefficient of
kinetic friction between the lower block and the floor
is 0.20. Force causes both blocks to cross a distance
The force acting on a 3.0-kg object varies as shown in
a) Find the work done by the force on the particle
as it moves:
i) from x = 0 to x = 8.00 m,
ii) from x = 8.00 m to x = 10.0 m, and
iii) from x = 0 to
A ceiling fan 1.2 m in diameter is rotating with an angular velocity of 3 rad/s. When turned off,
it slows uniformly to a stop in 10 s.
a) What is the fans angular acceleration?
b) What is its tangential accelerat
A car in an amusement park ride rolls
without friction around the track shown
in the figure. It starts from rest at point
A at a height h above the bottom of the
loop. Treat the car as a particle.
Organic - Assignment 1
Due Friday Sept 2 In Class
1. The benzyl carbocation (below) is an unusually stable carbocation.
a. Give the condensed molecular formula for the benzyl carbocation.
b. The benzyl carbocation is stabilized by 4 additional (roughly) e
y in terms of
2. Let A and B be the endpoints of a diameter of a circle. If C is any point on the
circle, prove that ACB is a right angle. (Hint: show AC is orthogonal to BC).
3. Draw the following vectors.
Instructor: Hadi Bigdely
Due date: Tuesday, Sep 6.
(1) Let ~
a and ~b be vectors in R3 . Show that k~
a + ~bk k~
ak + k~bk. (Hint: first show that
a ~b| k~
Assignment #2 Enriched PHY NYC
Due Date: Friday September 9, 2016 by 4:00pm in B-318
(Please show all your steps and explain your logic. There are part marks here for your steps.)
A sinusoidal wave can be described by the following function:
Sinusoidal Waves AF_1610
Looks like a sinusoidal function traveling
Created by a source in SHM
Displacement as a function of time for just
one point in space. AF_1610
Calorimetric determination of the enthalpy of neutralization of aqueous HCl with NaOH.
Here the objective was the determination of the enthalpy of neutralization of aqueous HCl solution
with NaOH solution by calorimetry.
A Styrofoam cof
Enriched Phy NYC Suggested HW 3
Here are some suggested readings and problems for this week. The problems dont have to be
Textbook Problems and Exercises Chapter 20
#29, 30, 32, 38, 3
HW 2 Enriched PHY NYC
Below you will find some suggested reading and exercises for next week. These problems dont need
to be handed in but feel free to drop by my office to talk about them if you have any questions.