Bi-polar world- During the time of the Cold War when countries would either fall
under two types: those that supported the US(Democracy) and those that supported
Multi-polar world- Nations no longer fall exclusively into the camps of the
1. While x-rays are used to image bones, magnetic resonance imaging (MRI) is used to
examine tissues within the body by detecting where hydrogen atoms (H atoms) are and
their environment (e.g. is the H atom part of water (H2O) or is it part o
Physics Assignment 7: Electricity and Magnetism
Question 1: Which factors affect the force experienced by a charged particle in an electric field?
Answer: In nature, any charged object will generate an electric field around it and these charged objects wi
1) Write a MATLAB program that convolves x(t) with h(t) , y(t) = x(t) * h(t).
Then, sub-plot the three functions vertically in the same figure. Show x-axis,
y-axis and title labels for each sub-plot.
2) Use MAT
Name 5 everyday objects and devices that are connected in someway:
Roadside advertising and billboards.
Cars with GPS technology and computer systems.
Building elevators such as those at the Melbourne Central Building which display the
Use What You Know
List three places or kinds of
landscapes that you think of when
you think of the United States.
2. _ -_~___.__
Text Structure: Song
Like many poems. most songs are
arranged in groups of lines called
Physics assignment 4: Motion and energy
Question 1: Define the variables of the uniform acceleration.
The variables used in physics for motion are: time (t), displacement (s), velocity (v) and acceleration (a).
Time is how we measure events and pe
Introduction to MRI
Spin in QM and Magnetic resonance imaging
X-rays. EM wave with enough energy to kick electron off atom or
molecule (ionize). Molecular damage.
Low dose damage DNA cancer
Balance of risks
Harmless Methods (if low power, just sli
Physics Assignment 5: Energy and Charge
Question 1: Define energy and explain why it is a derived quantity.
Answer: Energy can be described as the capacity of a system to do workon other systems and can be observed
indirectly. Energy is expressed in Newto
Physics Assignment 6: Waves and
Question 1: a) Define polarisation.
b) Why cant longitudinal waves be polarised?
Answer a: In physics and particularly waves
polarisation is orientation of oscillations in space with
respect to the disturb
Change the sentence into (1) negative, (2) yes/no question, (3)
1. Nisa spent her weekend in Chiang Mai.
(1) Nisa didnt spend her weekend in Chiang Mai.
(2) Did Nisa spend her weekend in Chiang Mai?
(3) Where did Nisa spend her weekend?
Practice using the simple past and past continuous tenses
with when and while, tell a story using the following
This morning everything went wrong for Jack Sparrow. At 8:35
A.M., Jack wake up late. He took a few minutes for taking a