Physics 2 - Conceptual Physics, 10th ed., by Paul Hewitt (San Francisco, CA: Addison-Wesley, 2009). Written Assignment 3
1. If 200 volts are put across a 300-loop transformer's primary coil: a. What will be the voltage output if the secondary coil had 750
Name: Michelle LaPorte Student ID #: 0442858 Telephone: (419) 902-5396 E-mail: [email protected] College and semester: TESC, April 2010 Course code: (PHY-112-) OL) Course name: Physics II
Group Study Activity 4
Complete the following exercises and probl
Physics 2 - Conceptual Physics, 10th ed., by Paul Hewitt (San Francisco, CA: Addison-Wesley, 2009).
Written Assignment 6 Answer all of the following questions. Do not send in a partially completed assignment. Answer each question as completely as possible
Sandro M. Cruz
Phy-112-OL009
Dec. 15
1. In your own words, explain the difference between a conductor, an insulator, and a
semiconductor. Give an example of each to illustrate your comparison.
Insulators are those materials in which there is a large energ
Sandro M. Cruz
Phy-112-OL009
Dec. 15
1. How many calories are needed to raise 500 grams of water from 25 degrees Celsius to 40
degrees Celsius?
Q = m*c*(Tf Ti)
m = 500 grams
c = 1 cal / g.C (specific heat of water)
Tf = 40
Ti = 25
Q = 500 grams * (1 cal /
Sandro M. Cruz
Phy-112-OL009
Dec. 15
1. Find the resistance of a light bulb that is connected to a 120-volt line and has a current of
0.5 amps flowing through it.
V=I*R
R = V / I= 120 V / 0.5 amps = 240 Ohms.
2. Calculate the electrical power of a lamp th
Sandro M. Cruz
Phi-286-OL008
Dec. 15
Assignment 6
1. Define the following terms:
a. Radioactive half-life: is the time for half the radioactive nuclei in any sample to
undergo radioactive decay. After two half-lives, there will be one fourth the original
Sandro M. Cruz
Phy-112-OL009
Dec. 15
1. If 200 volts are put across a 300-loop transformer's primary coil:
Primary voltage: V1 = 200 Volts
Primary loops: N1 = 300
a. What will be the voltage output if the secondary coil had 750 loops?
Secondary loops N2 =
Sandro M. Cruz
Phy-112-OL009
Dec. 15
1. State and explain the postulates of the special theory of relativity.
The Special theory of relativity describes how time is affected by motion in space at constant
velocity, and how the mass and energy are related.
Written Assignment 3
1. If 200 volts are put across a 300-loop transformer's primary coil:
What will be the voltage output if the secondary coil had 750 loops?
200V * 750/300 = 500V
What is the power in the secondary coil if the resistance in this coil is
Written Assignment 2
1.
Find the resistance of a light bulb that is connected to a 120-volt line and has a current of
0.5 amps flowing through it.
Voltage / Current = Resistance
120V / 0.5A = 240 ohms
2.
Calculate the electrical power of a lamp that carri
Written Assignment 1
1. In your own words, explain the difference between a conductor, an insulator, and a
semiconductor. Give an example of each to illustrate your comparison.
A conductor is a material that will let electric current pass through easily,
Schulze 1
Michael Schulze
Dr. Albert Lozano
PHY-112 Physics
March 1, 2015
Writing Assignment 4
1) State and explain the postulates of the special theory of relativity.
The first postulate for the special theory of relativity is:
All laws of nature are the