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Exam (elaborations)
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers 
For general projectile motion, which of the following best describes the horizontal component of a 
projectile's velocity? Assume air resistance is negligible. - The horizontal component of a 
projectile's velocity remains a nonzero constant. 
For general projectile motion, which of the following best describes the horizontal component of a 
projectile's acceleration? Assume air resistance is negligible. - The horizont...
Exam (elaborations)
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers 
What is the first tenet - All living organisms are composed of one or more cells 
What is the Second Tenet - The cell is the basic unit of structure and organization in organisms 
What is the third tenet - All cells come from pre existing cells 
What are the two basic types of cells - Prokaryotic and Eukaryotic 
Do prokaryotes have a nucleus? - no true nucleus or membrane 
Are prokaryotes unicellular or multicellular? - always...
Exam (elaborations)
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers 
Psychology - the study of mind, brain, and behavior 
What is Critical (scientific) thinking? - - systematically evaluating information to reach conclusions - thinking beyond its surface level - carefully and rigorously evaluate info. that is presented to us 
Steps to Critical (scientific) thinking - 1. what is the source of the information and is it credible 
2. Is there strong evidence pre5sent for these claims? 
3. Are there...
Exam (elaborations)
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers 
A cylindrical rod has equal and opposite forces applied perpendicular to its circular ends. The forces are 
directed away from the rod, *stretching the rod.* What type of stress is this rod subject to? 
a. The rod is subject to bulk stress. 
b. The rod is subject to tensile stress. 
c. The rod is subject to shear stress. 
d. The rod is subject to compressive stress. - The rod is subject to tensile stress. 
A cylindrical rod h...
Exam (elaborations)
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers
PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers 
A cylindrical rod has equal and opposite forces applied perpendicular to its circular ends. The forces are 
directed away from the rod, *stretching the rod.* What type of stress is this rod subject to? 
a. The rod is subject to bulk stress. 
b. The rod is subject to tensile stress. 
c. The rod is subject to shear stress. 
d. The rod is subject to compressive stress. - The rod is subject to tensile stress. 
A cylindrical rod h...
Exam (elaborations)
PHY 150 Exam 2 Questions with correct answers
PHY 150 Exam 2 Questions with correct answers 
The measure of the position of the sun from the horizontal is called the ________. 
a. altitude 
b. azimuth 
c. declination 
d. insolation - Altitude 
f the insolation upon a flat plate collector is 800 Btu/ft 2 /day, how large must the collector beto provide 
30,000 Btu/hr of thermal energy for an entire day? Take the efficiency of thecollectorto be 50%. 
a. 150 
b. 750 
c. 1800 
d. 4000 
e. 7200 ft 2 - 1800 
A Trombe wall in a ...
Exam (elaborations)
PHY 150 Exam 2 Questions with correct answers
PHY 150 Exam 2 Questions with correct answers 
Which of the following is true of electric charges 
(positive and negative)? - Like charges repel 
Chemical reactions produce voltages that are 
typically - 1 volt = 1 eV per electron 
When you get an electric shock from a door knob, 
the voltage is typically - . 10,000 volts - actually, more like 50,000 volts; - Sparks - 30,000 volts/cm (in air) - A spark is an electric current in air 
An electric spark of 50,000 volts may not hurt you if - ...
Exam (elaborations)
PHY 150 Exam Questions with correct answers
PHY 150 Exam Questions with correct answers 
Which of the following air pollutants is emitted in about equal amounts by stationary andmobile 
sources? 
a. particulates 
b. carbon monoxide 
c. sulfur dioxidesd. hydrocarbons 
e. nitrogen oxides - nitrogen oxides 
Which of the following air pollutants is emitted mainly by the automobile? 
a. particulates 
b. carbon monoxide 
c. sulfur dioxides 
d. hydrocarbons 
e. nitrogen oxides - carbon monoxide 
Increases in the temperature of the e...
Exam (elaborations)
PHY 150 Exam Questions with correct answers
PHY 150 Exam Questions with correct answers 
Discrete emotions theory - Humans only experience a small numbers of basic emotions that 
combine in complex ways 
primary emotions and secondary emotions 
Primary emotions - can identify very quickly - sad, happy, disgust, fear, joy, anger 
Secondary emotions - complicated feelings - "I dont know im jappy but sad at the same time" 
James-Lange theory - emotions result from interpretation of our bodily reactions to stimuli - "we feel ...
Exam (elaborations)
PHY 150 Exam Questions with correct answers
PHY 150 Exam Questions with correct answers 
Science is both a ___, and a ____ - a body of knowledge; process for gaining + testing knowledge 
When using the scientific method, 
first, 
create, 
use it to, 
finally - observe nature 
hypothesis 
make a prediction 
test your prediction
Exam (elaborations)
PHY 150 Ch 05 HW Exam Questions with correct answers
PHY 150 Ch 05 HW Exam Questions with correct answers 
If a car is moving to the left with constant velocity, one can conclude that - the net force exerted 
on the car is zero. 
An object cannot remain at rest unless - the net force exerted on it is zero. 
A downward force of magnitude 5 N is exerted on the book by the force of - gravity. 
An upward force of magnitude _____ is exerted on the _____ by the table. - 5N; book 
Do the downward force in Part A and the upward force in Part B const...
Exam (elaborations)
Science and Art- PHYS 150 Exam Questions with correct answers
Science and Art- PHYS 150 Exam Questions with correct answers 
Which of the following is one of the words we will use as an attribute better identified with Art? - 
Subjective- feelings 
What word has been used to describe the functionality of an object that may keep us from seeing its art 
or science? - Wallness 
An example we used in class where a Jewish poet writing in German inspired a German artist to produce 
pairs of artpieces name Shulamith and Margarethe showed this aspect of Art:...
Exam (elaborations)
PHY 150 Ch 14 Prelecture Exam Questions with correct answers
PHY 150 Ch 14 Prelecture Exam Questions with correct answers 
What term denotes the time for one cycle of a periodic process? - period 
For vibrational motion, what term denotes the maximum displacement from the equilibrium position? - 
amplitude 
Which of the following statements are true? - Simple harmonic motion is periodic motion under the action of a restoring force that is directly 
proportional to the displacement from equilibrium. - Simple harmonic motion is periodic motion under th...
Exam (elaborations)
phy 150Exam Questions with correct answers
phy 150Exam Questions with correct answers 
all of the following provide conclusive evidence that an object is interacting with its surroundings except - a change in position 
If the net force on an object is zero, its momentum vector must be - constant 
an object undergoes uniform circular motion with position vector r(t)= R<cos(wt), sin(wt), 0> - 
Rw^2<cos(wt), sin(wt), 0> 
3 objects with the same mass but different shapes roll down a hill which make it first - (2MR^2/5) 
the...
Exam (elaborations)
PHY 150 CH 10 Prelecture Exam Questions with correct answers
PHY 150 CH 10 Prelecture Exam Questions with correct answers 
Two equal forces are applied perpendicular to a door. The first force is applied at the midpoint of the 
door; the second force is applied at the doorknob. Which force exerts the greater torque? 
a. Both forces exert equal nonzero torques. 
b. Both forces exert zero torques. 
c. The force applied at the doorknob exerts the greater torque. 
d. The force applied at the midpoint of the door exerts the greater torque. - The force ap...
Exam (elaborations)
PHY 150 – Midterm Exam Questions with correct answers
PHY 150 – Midterm Ex 
am Questions with correct answers 
Solar Nebula Theory - states that the Sun, when forming in the nebula, generated planets, 
asteroids, etc from spinning disk of matter called the accretion disk. 
How long does it take the moon to complete one cycles of phases in days? - 29.5 
Solar Nebula Theory Supports - - Most planets are on the same plane, "ecliptic" - all planets orbit in the same direction around the Sun - Inner rocky planets are small - Strange outer ga...
Exam (elaborations)
PHY 150 TEST 1Exam Questions with correct answers
PHY 150 TEST 1Exam Questions with correct answers 
Psychology is defined as the scientific study of - behavior and mental processes. 
As a science, Psychology has four goals. Which of the following is NOT one of those goals? - 
eliminate behavior 
School psychologists are employed by school districts to - identify and assist students who have 
problems that interfere with their learning. 
The very first psychological laboratory was established by - Wilhelm Wundt 
B. F. Skinner made major ...
Exam (elaborations)
PHY 150 Ch 13 Prelecture Exam Questions with correct answers
PHY 150 Ch 13 Prelecture Exam Questions with correct answers 
Two objects attract each other gravitationally. If the distance between their centers decreases by a 
factor of 2, how does the gravitational force between them change? - The gravitational force 
increases by a factor of 4. 
Two objects attract each other gravitationally. If the mass of each object doubles, how does the 
gravitational force between them change? - The gravitational force increases by a factor of 4. 
A hypothetica...
Exam (elaborations)
PHYS 150 Final Exam Questions with correct answers
PHYS 150 Final Exam Questions with correct answers 
Which of the following is one of the words we will use an an attribute better identified with Art? - 
subjective 
What word has been used to describe the functionality of an object that may keep us from seeing its art 
or science? - wallness 
An example we used in class where a Jewish poet writing in German inspired a German artist to produce 
artpieces named Shulamith and Margarethe showed this aspect of Art: - emotional 
We have examin...
Exam (elaborations)
PHYS 150 Final Exam Questions with correct answers
PHYS 150 Final Exam Questions with correct answers 
Which of the following is one of the words we will use an an attribute better identified with Art? - 
subjective 
What word has been used to describe the functionality of an object that may keep us from seeing its art 
or science? - wallness 
An example we used in class where a Jewish poet writing in German inspired a German artist to produce 
artpieces named Shulamith and Margarethe showed this aspect of Art: - emotional 
We have examin...