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Work, Energy, and Power Flashcards | StudBud
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Work, Energy, and Power
Work, Energy, and Power
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#physics #work #power #energy #science
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1
What does the equation E=mc
2
represent?
The conversion factor between light and darkness.
The conversion factor between the speed of light and energy.
The conversion factor between Work and Power
The conversion factor between mass and energy.
2
Which equation is the work equation
1/2mv2
J=fdcos0
Fdcos0/t
Kg(m/s)2m
3
What is paleontology?
The study of ancient cultures.
The study of ancient artifacts.
The study of ancient organisms.
The study of bones.
4
Horsepower is another way of saying what?
745 Watts.
The amount of power the average horse can exert in a second.
The rate of change of work or energy.
Rate of change of a horse's power.
5
What field of study focuses on kinetic energy?
Thermodynamics
Statics
Entomology
Dynamics
6
I move a 3 kg chair with 30 N of force to make it move 10 meters. How much work was performed?
300 W
300 J
900 J
90 J
7
I move a 3 kg chair using 30 N of force to make it move at 10 m/s. How much energy was used?
15 N
150 J
900 W
300 J
8
What is the study of potential energy?
Dynamics
Thermodynamics
Statics
Entomology
9
What is a quasar?
Mexican Space Cheese
A unit of measurement.
A galactic nucleus capable of firing a laser.
Wisconsin Space Cheese
10
Define power (as used in physics).
The rate of change in energy
Something measured up to 9000 levels
Amount of work performed over a certain amount of time.
N(m)
11
What is the difference between kinetic and potential energy?
Potential energy is the energy that is stored.
Kinetic energy is the energy being exerted.
Kenetic energy is the energy that is stored.
Potential energy is the energy being exerted.
12
Which equation is elastic energy?
k(x)
.5((K)x2)
F(v)
I hate that there's only one number in this question.
13
How did the Theory of Relativity affect physicist's view on time?
The passing of time relies on the bending of space.
Time was relative to certain factors, such as gravity.
Time was relative to certain factors, such as light.
Everyone threw Newtonian physics out of the apple tree.
14
Which equation describes kinetic energy
X/745w=hp
Fspring=k(x)
FD/T
1/2mv2
15
How can one determine the amount of energy an object contains?
Measuring the rate it burns at
Using E=mc2
Using u=(Ff)/(Fn)
Using p=w/t
16
The theory of relativity defined which constant?
Coefficient of friction
Gravitational Constant
The speed of light
300000000
17
Where is the next Elder Scrolls?
Hammerfell
High Rock
Elsewyre
In the deep, dark abyss of game development with Pikmin 4.
18
I move a 3 kg chair using 30 N of force to make it move 10 m/s over 10 seconds. Find the watts.
30 W
300 W
30 Rock
300 J
19
Rollercoaster sends 100 kilogram weight at 100 m/s
2
around its 1 kilometer long track.
0 jules of work was done
0 watts of work was done.
10000000 watts of work was done
10000000jules of work was done
20
What is the Theory of Relativity?
A theory that gravity is a wave that bends time and space.
A theory that states that light bends time and space.
A theory that states that E=mc2
A theory that states that the laws of physics are invariant.
21
Which is the equation of power?
Work/time
1/2mv2
Kg(m/s)2m/t
E=mc2
22
What is entomology?
The study of nuts.
The study of reptiles.
The study of words and language.
The study of insects.
23
Define energy
The ability to perform work.
The tendency to resist change
Vx=V0cos0
A measurable object
24
What is work (in physics)?
F(V)
The act of an individual acquiring bread
Fdcos0
A measurable change in a system that is a result of force.
