PHYS1650 - Nature of the Universe
Assignment 4
Due date: 5:00pm, April 21, 2017
Please submit to the assignment box in first floor of CYMP Buld.
Give answers and explanations for the following questions.
1. (10 marks) Suppose the Sun consists of only hydr
Soc Indic Res
DOI 10.1007/s11205-016-1541-9
Multidimensional Almost Dominance: Child Wellbeing
in Egypt
T. El Sayed1 A. R. Zahran1
Accepted: 19 December 2016
Springer Science+Business Media Dordrecht 2016
Abstract A major drawback of First Order Stochast
2. Business Networking: Possible Positive and
Negative Impacts on Innovation and Excellence
Abstract The purpose of this Chapter is to comprehensively examine a wide range of possible positive and negative impacts of Business Networking on the organizatio
PHYS1050 Physics for Engineering Students
Assignment 2 (Due date: 28th Feb., 5pm)
1. A 10.0-kg block is released from rest at point A in Fig. Q1. The track is frictionless except for the
portion between points B and C, which has a length of 6.00m. The blo
Solutions to HW 1
1. A projectile is fired up an incline of angle with an initial speed at an angle with respect to the
horizontal ( > ) (see Fig. Q1). For what value of is the distance travelled by the projectile up
the incline maximum? What is the maxim
Chapter 7 Rotation of Rigid
Body
Rigid Object
We can model the motion of an extended object
by modeling it as a system of many particles.
The analysis is simplified if the object is a
rigid object.
A rigid object is one that is non-deformable.
The relativ
Chapter 4
Circular and Curvilinear Motions
Here we consider particles moving not along a straight line
the curvilinear motion. We first study the circular motion, a
special case of curvilinear motion. Examples we have already
studied earlier are the proj
Ver. 2.1
NE01 - Centripetal Force
PHYS1050/ PHYS1250
Ref. (Staff Use)_
Laboratory Worksheet
Experiment NE01- Centripetal Force
Department of Physics
The University of Hong Kong
Name: _ Student ID: _ Date: _
Experiment 1: Centripetal force and linear velo
Ver. 1.0
NE01 - Centripetal Force
PHYS1050 / PHYS1250
Ref. (Staff Use)_
Pre-Laboratory Worksheet
Experiment NE01-Centripetal Force
Department of Physics
The University of Hong Kong
Name: _ Student ID: _ Date: _
Remark: Please submit Pre-Laboratory Worksh
Ver. 2.2
NE01 - Centripetal Force
Laboratory Manual
Experiment NE01 - Centripetal Force
Department of Physics
The University of Hong Kong
Background
Introduction
Circular Motion is one of the simplest forms of 2-dimensional motion in which the locus of th
PHYS1050 Physics for Engineering Students
Assignment 2 (Due date: 28th Feb., 5pm)
Note: For an expedite return of the marked papers, we shall choose to grade 3 questions out
of the 6. You are however required to do them all. I shall announce which questio
Chapter 6
Linear Momentum, Collision &
Center of Mass
Linear Momentum
The linear momentum of a particle or an object that can be
modeled as a particle having mass m moving with velocity
v is defined to be the product of the mass and velocity:
p mv
The ter
PHYS1050 Physics for Engineering Students
Assignment 1 (Due date: 14th Feb., 5pm)
Note: For an expedite return of the marked papers, we shall choose to grade 3 questions out of the 6.
You are however required to do them all. I shall announce which questio
Phys1050 Physics for Engineering Students
2016-17 Semester 2
Tutorial 2
1. The position of particle 1 = 3.50 moving in the -plane varies with time according to
1 = (3 + 3) + 2 2 , where is in seconds and
in centimeters. At the same time, the
position o
Phys1050 Physics for Engineering Students
2016-17 Semester 2
Tutorial 1
1.
A time dependent force = (8.00 4.00) N, where time t is in seconds, is exerted on a 2.00 kg object
initially at rest. (a) At what time will the object be moving at a speed of 15.0
CONTENTS
Preface
3
by Hon. Donald Tsang, Acting Chief Executive
Approaching a First Sustainable Development
Strategy for Hong Kong
5
Challenges for Hong Kongs Sustainable Development 8
Strategic Objectives and Targets
11
Plan of Action Fifteen Key Initiat
Global Market Forecast
Flying on
demand
2014 2033
003
Global Market Forecast
Global Market Forecast
Introduction
2014, MARKED THE CENTENARY OF COMMERCIAL FLIGHT
OPERATIONS, with the first scheduled flight taking off in January
1914. This airboat service c
THE UNIVERSITY OF HONG KONG
Department of Physics
(PhyslOSO): Physics for Engineering Students
151h December 2014
9:30-11:30 AM
This examination paper has 6 pages (including this front page and a page of list of formula and
constant at the end), containin
Phys1050 Physics for Engineering Students
2014-15 Semester 1
Tutorial 3
1. A thin rod of length and uniform charge per unit length lies along the x axis as shown in the
figure below.
(a) Show that the electric field at P, a distance d from the rod along i
PHYS1050 Physics for Engineering Students
Fall 2014
Tutorial 2
1. (Jewett & Serway Chap 10, Prob 28) Two balls with masses M and m are connected by a
rigid rod of length L and negligible mass as shown in Figure 1. (a) For an axis perpendicular
to the rod,
Chapter 7 Rotation of Rigid
Body
Rigid Object
We can model the motion of an extended object
by modeling it as a system of many particles.
The analysis is simplified if the object is a
rigid object.
A rigid object is one that is non-deformable.
The relativ
Chapter 3
Force, Newtons Laws of Motion
Newtonian Mechanics is based on the laws
presented by Isaac Newton (1642-1727).
However,
at very large speeds (an appreciable fraction of the
speed of light c), Newtonian mechanics must be
replaced by Einsteins spec
Chapter 2
Kinematics: Motion of a Particle in
One and Two Dimensions
Kinematics
Describes motion while ignoring the
external agents that might have
caused or modified the motion
Motion represents a continual change
in an objects position.
Types of Motion
Chapter 5: Energy & Work
A variety of problems can be solved with
Newtons Laws and associated principles.
Some problems that could theoretically be solved
with Newtons Laws are very difficult in practice.
These problems can be made easier with other
techn
Chapter 8
Simple Harmonic Motion (SHM)
8.1 Equation of Motion
A vibrating system for which the restoring force is directly
proportional to the negative of the displacement ( F kx) is said
to exhibit Simple Harmonic Motion (SHM), and the system is
referred
PHYS0003/PHYS1650 - Nature of the Universe
Solution of Assignment 3
Due date: 5:00pm, November 5, 2015
1. Since the emission line is redshifted, Michael is going away from us,
with speed
(520 500)/500c = 1.2 107 m/s .
(1)
2. The diameters of the Sun, Moon
PHYS0003/PHYS1650 - Nature of the Universe
Solution of Assignment 1
Due date: 5:00pm, September 28, 2016
1. Diameter of an atom < Average height of a man < Height of Mount
Everest < Diameter of the Earth < Diameter of our Sun < Size of the
galaxy M31 < Di
PHYS0003/PHYS1650 - Nature of the Universe
Solution of Assignment 4
Due date: 5:00pm, November 26, 2015
1. 0.25 .
2. Star B is hotter than star A.
3. Let IS and IV be the light intensities of our Sun and Vega respectively.
Then,
5
26.8 = log10
2
5
0.0 = l
PHYS0003/PHYS1650 - Nature of the Universe
Solution of Assignment 2
Due date: 5:00pm, October 22, 2015
1. (a) The period of the year when the Sun does not set is called time of
midnight sun. (b) On the day of summer solstice, the Sun is at 23.5 N,
the mid