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Physics Midterm Review - 1 Flashcards | StudBud
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Physics Midterm Review - 1
Physics Midterm Review - 1
23 terms
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StudBud Administration
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Review for midterm - some questions are mine. Some are from students.
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
Kinetic energy is the energy possessed by a body due to:
Position
Power
Time
Motion
2
The area under a Velocity vs. Time graph is...
Acceleration
Displacement
Time
Velocity
3
The slope of a Displacement vs. Time graph is…
Velocity
Displacement
Time
Acceleration
4
What is the unit for momentum?
kg*m
m/s2
kg*m/s
kg*s
5
The unit for Power is:
Watts
N/cm
meters
Joules
6
What is the symbol for momentum?
t
s
F
p
7
The slope of a Velocity vs. Time graph is…
Acceleration
Displacement
Time
Velocity
8
The ratio of the squares of the periods of any two planets is equal to the ratio of the cubes..
Kepler’s 2nd Law
Kepler’s 1st Law
Kepler’s 3rd Law
Copernicus’ Law
9
The area under an Acceleration vs. Time graph is…
Velocity
Displacement
Time
Acceleration
10
1 lb is equal to
1.464 kg
17 oz
all of the above
4.45 8N
11
Which of the following is
NOT
one of Kovach’s Rules of Physics:
Use sin to find y components
Always measure angles from the x-axis
Square all values
Use cos to find x components
12
The acceleration due to gravity is approximately
7.8 m/s2
19.8 m/s2
32.2 m/s2
9.8 m/s2
13
The formula for gravitational potential energy is
distance/time
1/2kx2
mgh
1/2mv2
14
The SI unit for Velocity is…
km/s
m/s
mm/s
cm/s
15
If yo (your?) mama weighs 500 lbs, approximately how much does she weigh in kg?
227 kg
218 kg
You love your momma & don't want to know.
243 kg
16
What is the mass of the sun?
5.974x1024
7.349x1022
1.987x1030
37283423423 lb
17
The path of the planets about the sun are elliptical in shape, with the center of the sun....
Copernicus’ Law
Kepler’s 3rd Law
Kepler’s 2nd Law
Kepler’s 1st Law
18
Newton’s First Law of Motion is:
Law of Inertia
Law of Friction
F=ma
Action/Reaction
19
The unit for coefficient of friction is:
Meters/sec
Unitless
Watt
Newton
20
The unit for Kinetic Energy is:
Joules
Watts
horsepower
N/cm
21
Which one of the following is one of Newton’s Laws of Motion:
Action/reaction
Force = (mass)(acceleration)
Law of Inertia
All of the above
22
The unit for Energy is:
m/s
Joules
m/s2
Newtons
23
A 150 kg bat w/ speed of (200 m/s) hits 20 kg Tom (0 m/s). What is Tom's speed if bat stops?
150 m/s
1,500 m/s
500 m/s
5 m/s
