5. The ratio M/m of the prefixes M and m has what value?
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1. Three point charges, two positive and one negative, each having a magnitude of 20 C are placed at the vertices
of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on one of the negative
2. If Q
PHYS 2402 Final Exam
1] What is the work done bv an electron moving through a potential difference of 105'?
a 1.E x 1D'13J c 1.6 I 10
5 -5.51 it tot-191 a 5.51 x 10491
2 What function is used to nd the eouipotential lines?
a] SINB c cosa
b Parallel d] Per
A long nonconducting cylinder (radius = 6.0 mm) has a nonuniform volume charge
density given by r2, where = 6.2 mC/m5 and r is the distance from the axis of the
cylinder. What is the magnitude of the electric field at a point r1=2.0 mm from the
Pre-Test for One-Dimensional Motion
1.) Let's say that during a thunderstorm you measure the time lag between the
flash and the thunderclap to be 3 seconds. If the speed of sound is about 340
m/s, which of the following is the best estimate of your distan
Instructions: Please complete the five (5) questions below. Once you
have completed all the questions, please provide your remarks why you
believe your answer is correct in the discussion board.
A. Which of the following a
Chapter 19 Review
4. When the following redox equation is balanced with smallest whole number
coefficients, the coefficient for zinc will be _.
Zn(s) + ReO4-(aq) Re(s) + Zn2+(aq) (acidic solution)
E. None of these choic
Chapter 18 Review
3. A spontaneous endothermic reaction always:
A. causes the surroundings to get colder.
B. bursts into flame.
C. requires a spark to initiate it.
D. releases heat to the surroundings.
9. Which statement is correct?
Chapter 20 Review
1. Alpha particles are identical to:
B. helium atoms.
C. hydrogen atoms.
D. helium nuclei.
29. Iodine-131, t1/2 = 8.0 days, is used in diagnosis and treatment of thyroid gland
diseases. If a labor
Before we start with Object Oriented Features,
you should know.
History of Java
Features of Java
J2SE, J2EE, J2ME
Difference between Procedure oriented and
Object oriented languages (Also Object based
JDK, JVM, JRE
show an appreciation that a force might act on a cutent'carrying conductor placed in a
recall and solve problems using the equation F=B sing, with directions as interyreted by
Fleming's left.hand rule.
A straight, horizontal, current
Equations for the Physics GRE
1 of 15
Date: August 26, 2009
Equations for the Physics GRE
2 of 15
MasteringPhysics: Homework - 04
9/13/14, 2:42 PM
Understanding Newton's Laws
An object cannot remain at rest unless which of the following holds?
Hint 1. How to approach the problem
This problem describes a situation of static equilibrium (i.e., a
1 State the formula for calculating the effective resistance of resistols connected in
se es and
Resistors in series:
R=Rr+Rz +. + Rn
.1 - 1 1
State the equation for cal
4th Form Physics notes (AG)
Statement: Light travels in straight lines. This is known as rectilinear propagation.
Evidence: The formation of shadows provides evidence that this is the case.
Light and shadows
Light travels out from a light source as
Origin of the Atom
5th century B.C.
Greek philosopher Democritus coins the term
John Dalton proposes that
element consists of
single, unique type.
atoms of a
1897 J.J. Thomson discovers elec
- Is the study of everyday phenomena. It aims
to explain these phenomena in terms of the
fundamental laws of nature.
- Is the study of matter and energy and their
Physics and its Branches
PHYSICS ASSIGNMENT : WORK, ENERGY AND POWER :
A block of mass m = 2kg is pulled by a force F = 40 N upwards through
a height h = 2m. Find the work done on the block by the applied force F
and its weight mg. (g = 10 m/s2).
O. A. Pringle
Which of the wave functions in Fig. 5.14 cannot have physical significance in the interval shown? Why not?
( ) dV
must be finite, and that must be single-valued and continuous with finite, single-valued,
Statistical Mechanics: Lecture 1
Thermodynamics and microscopic laws
Thermodynamics describes the macroscopic properties of matter phenomenologically with
the aid of equations of state which are derived empirically. For thermodynamics it is