PHY 102 Final Exam Review-Test Review | Actual
Verified study set | Questions and Answers | 100%
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Acceleration is the measure of the change in what?
a. density
b. motion
c. velocity
d. mass
e. speed - ANSWER-c. velocity
One half second after starting from rest, a freely falling object will have a speed of about
a. 20 m/s
b. 10 m/s
c. 5 m/s
d. 2.5 m/s
e. None of the above - ANSWER-c. 5 m/s
The slope of a velocity vs. time graph tells you
a. position
b. maximum velocity
c. average velocity
d. acceleration
e. maximum position - ANSWER-d. acceleration
Which of the following is a private research lab?
a. Argonne National Lab
b. Keck Telescope
,c. Carnegie Institution
d. United States Geological Survey - ANSWER-c. Carnegie Institution
Which of the following is Kepler's first law?
a. For every action there is an equal and opposite reaction
b. Plants move in elliptical orbits with the sun at one focus
c. The celestial spheres are unchanging and perfect
d. Gravity follows an inverse square law - ANSWER-b. Planets move in elliptical orbits with the
sun at one focus
Which of the following is NOT part of the scientific method?
a. identifying patterns
b. prediction
c. observations
d. belief - ANSWER-d. belief
In the SI unit system, mass is measured in units of
a. grams
b. kilograms
c. pounds
d. newtons - ANSWER-b. kilograms
True or false: Velocity has a direction - ANSWER-True
In each second of a fall, the distance of a freely falling object will fall is
a. About 5m
b. About 10m
c. The same, but not 5m or 10m
d. Increasing
e. None of these - ANSWER-d. Increasing
The language of physics is
,a. Latin
b. Chinese
c. English
d. Mathematics - ANSWER-d. Mathematics
In the graph, the acceleration of the object between 0 and 5 seconds is ___ m/s²
**Slope is 4/5**
a. 4
b. 5
c. 0.8
d. 1.25
e. 0 - ANSWER-c. 0.8
If a car increases its velocity from zero to 60 km/h in 6 seconds, its acceleration in m/s² is
a. 2.8
b. 100.2
c. 10
d. 10000
e. 360 - ANSWER-a. 2.8
Which astronomer was the first to put the sun at the center of the universe?
a. Copernicus
b. Brahe
c. Ptolemy
d. Galileo - ANSWER-a. Copernicus
Which astronomer is credited with being the first to explain the complex motion of the stars
and planets?
a. Copernicus
b. Brahe
, c. Ptolemy
d. Galileo - ANSWER-c. Ptolemy
An educated guess is a
a. Theory
b. Law
c. Hypothesis
d. Fact - ANSWER-c. Hypothesis
If a car accelerates from rest at 10 meters per second per second, its speed (in m/s) 3 seconds
later will be about
a. 3.3
b. 0.3
c. 30
d. 90 - ANSWER-c. 30
In the SI unit system, time is measured in units of
a. seconds
b. meters
c. hours
d. days - ANSWER-a. seconds
If an object falling freely were somehow equipped with an odometer to measure the distance it
travels, then the amount of distance it travels each succeeding second would be
a. constat
b. less and less each second
c. greater than the second before
d. doubled
e. halved - ANSWER-c. greater than the second before
The SI units of acceleration are
a. m
Verified study set | Questions and Answers | 100%
correct
Acceleration is the measure of the change in what?
a. density
b. motion
c. velocity
d. mass
e. speed - ANSWER-c. velocity
One half second after starting from rest, a freely falling object will have a speed of about
a. 20 m/s
b. 10 m/s
c. 5 m/s
d. 2.5 m/s
e. None of the above - ANSWER-c. 5 m/s
The slope of a velocity vs. time graph tells you
a. position
b. maximum velocity
c. average velocity
d. acceleration
e. maximum position - ANSWER-d. acceleration
Which of the following is a private research lab?
a. Argonne National Lab
b. Keck Telescope
,c. Carnegie Institution
d. United States Geological Survey - ANSWER-c. Carnegie Institution
Which of the following is Kepler's first law?
a. For every action there is an equal and opposite reaction
b. Plants move in elliptical orbits with the sun at one focus
c. The celestial spheres are unchanging and perfect
d. Gravity follows an inverse square law - ANSWER-b. Planets move in elliptical orbits with the
sun at one focus
Which of the following is NOT part of the scientific method?
a. identifying patterns
b. prediction
c. observations
d. belief - ANSWER-d. belief
In the SI unit system, mass is measured in units of
a. grams
b. kilograms
c. pounds
d. newtons - ANSWER-b. kilograms
True or false: Velocity has a direction - ANSWER-True
In each second of a fall, the distance of a freely falling object will fall is
a. About 5m
b. About 10m
c. The same, but not 5m or 10m
d. Increasing
e. None of these - ANSWER-d. Increasing
The language of physics is
,a. Latin
b. Chinese
c. English
d. Mathematics - ANSWER-d. Mathematics
In the graph, the acceleration of the object between 0 and 5 seconds is ___ m/s²
**Slope is 4/5**
a. 4
b. 5
c. 0.8
d. 1.25
e. 0 - ANSWER-c. 0.8
If a car increases its velocity from zero to 60 km/h in 6 seconds, its acceleration in m/s² is
a. 2.8
b. 100.2
c. 10
d. 10000
e. 360 - ANSWER-a. 2.8
Which astronomer was the first to put the sun at the center of the universe?
a. Copernicus
b. Brahe
c. Ptolemy
d. Galileo - ANSWER-a. Copernicus
Which astronomer is credited with being the first to explain the complex motion of the stars
and planets?
a. Copernicus
b. Brahe
, c. Ptolemy
d. Galileo - ANSWER-c. Ptolemy
An educated guess is a
a. Theory
b. Law
c. Hypothesis
d. Fact - ANSWER-c. Hypothesis
If a car accelerates from rest at 10 meters per second per second, its speed (in m/s) 3 seconds
later will be about
a. 3.3
b. 0.3
c. 30
d. 90 - ANSWER-c. 30
In the SI unit system, time is measured in units of
a. seconds
b. meters
c. hours
d. days - ANSWER-a. seconds
If an object falling freely were somehow equipped with an odometer to measure the distance it
travels, then the amount of distance it travels each succeeding second would be
a. constat
b. less and less each second
c. greater than the second before
d. doubled
e. halved - ANSWER-c. greater than the second before
The SI units of acceleration are
a. m