PHYS 230 Final Exam Review
Net Force: net force is the combination of all forces that change an objects state of
o Example: if you pull on a box with 10N and a friend pulls oppositely with 5 N,
the net for is 5 N in the direction that
February 25, 2013
Part 1: The Discovery of Extraterrestrial Intelligence
Astronomers, mathematicians and physicists alike, have presented models and
theories suggesting that it is highly likely that extraterrestrial lif
HW8, due Monday, March 25, Name _Jessica Placencia_ Date _March 25th 2013_
(1) In one paragraph (4-6 sentences) summarize the video Sloan digital sky survey.
The Sloan Sky Digital Survey is the largest and most ambitious survey to date. It uses a 2.5meter
Changing Views of the Universe, Spring 2013 (Prof Johnson)
Estimation example: Roughly how many gallons of gas are burned per year by cars (and trucks)
Im going to work this out in complete detail, hoping that you see that nothing is being hidd
Phys 230-Changing Views (Prof Johnson), Homework # 3 (Due Monday, Feb 4 by class).
Your Name _Jessica Placencia_ Date _February 4, 2013_
Using the readings and lectures, answer the questions in the space provided. You can type or print very neatly.
Homework#9: Changing Views (Phys 230), Spring 2013, Prof Johnson
Due Thursday, April 4
Name _, Date _
Part 1: Classical Universe
(1) Describe the way in which a universe made of objects with definite locations and velocity
moving according to Newtons laws
Homework # 2, Due in class (or electronically before class), Thursday Jan 31.
Your Name Jessica Placencia
Date January 30, 2013
Please answer each question in the spaces provided below. You can type or print very neatly. It is
also an option to send me
HW # 1
Chapter 1: The Dome of the Heaven
On page 23, Ferris writes about how astounded people were to learn that the
planets had the ability to stop in their paths and move backwards, or as he phrases it,
move in retr
PHYS-230 Midterm Review
Brief History of the Earth and early Life
1. What is the Planetary Nebula Hypothesis?
In cosmology, the nebular hypothesis is the most widely accepted model
explaining the formation and evolution of the Solar System.
Paper # 2 (Option 2)
May 2, 2013
Question 1. What is the cosmic microwave background (CMB)? Describe what it is, when it was
emitted, and what the observable universe was like at the time it was emitted (in terms of it