Properties of Plastics
Plastics come in all shapes and sizes. The size and structure of the polymers
that compose different plastics contribute to the plastics properties.
Some plastics can be recycled their properties can be chemically
Practice Quiz (Ch 22)
1) The fundamental force underlying all chemical reactions is
E) None of the above choices are correct.
2) A positive ion has more
A) electrons than neutrons.
Physics Homework Answers
Lesson 16: Electrostatics
Two like charges
neutralize each other.
repel each other.
must be neutrons.
attract each other.
have no effect on each other.
The SI unit of charge is the
Work & Energy
Question 1 Energy of point charge distribution
Imagine a small square (side "a") with four point charges +q, one on each corner.
Calculate the total stored energy of this system (i.e.
Name: )f Date: Periodi
":LQQJ.4_._;.;_._T;_I_.Z.I;Z_Q.I_;ILf“ . ,3 _.-m~- it .- ﬂ .7
1. A current of 1.60 A ﬂows in a wire. How many electrons are ﬂowing past any point on the wire
per second? (1.0x 1019 electrons) fr , - (ii n
“L; woe / Ale ”
Experiment I : Ohm's Law
and Not Ohm's Law
I. Purpose of this Experiment
The main purpose of this experiment is to review the measurement of voltage (V), current (I),
and resistance (R) in dc circuits. In the first part, you will measure the internal resi
The Nature of Resistance
7 August 2008;
29 June 2010; 6 November 2013
Jim Overhiser and Julie Nucci
Regents and AP Physics
Students perform a series of guided activities that illustrate
Name:_ Lab Section: _ Group Number: _
Lab Partners: _ Grade:_
Resistivity of Play-Doh
After reading the laboratorys introduction and procedure, answer the following questions.
1. Design and then briefly describe an experiment tha
Squishy Circuits Resistivity
RESISTIVITY TESTING INTRODUCTION
Electrical resistivity describes how much a certain material
resists electrical flow. Every material has an associated
resistivity, , which is constant. Conductors, such as copper
have a low re
Lab Manual for Physics 206/211
Copyright (c) 1999-2011 by B. Crowell. This lab manual is subject to the Creative Commons CC-BY-SA
Resistance and Resistivity Part 1
A playful exploration of the extensive property of resistance and the intensive property of resistivity.
Objectives . 1
Prerequisite Skills and Knowledge . 1
Research Skills . 1
Standing Waves on a String PART 2 Data - 100g hanging mass
Type of String
Black shoe string
Linear Density (kg/m)
Electric Forces and Fields
Have you ever
Shocked yourself touching a doorknob?
Had static cling from clothes in a dryer?
Had your hair fly up when you brush it on a dry day?
Shocked your hand on your car door after sliding out of
Name: Date: Period:
AP Physics 1 — HW Electrostatics' CHECK
_ 1 most trimmer
I CAN FEEL TﬁE WILL N_DI UM. YOU
5mm ELECTRICITY . 'THOR, DOG OF
BUILDING . . . _ / THUNDER."
Identify the choice that best completes the statement or answers
Name: L6 i Date: Period:
CW: ELECTROSTATICS AP Physics 1
1. Two identical conducting spheres are shown with an initial given number of units of
charge. The two spheres are brought into contact with each other. After several
moments, the two spheres