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Duplicate of Kinematics! Flashcards | StudBud
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Duplicate of Kinematics!
Duplicate of Kinematics!
20 terms
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Quick review of kinematics unit
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
When using Physics laws, time must be in units of
Hours
Seconds
Minutes
Meters
2
A person walks a constant velocity of 15 m/s for 10 seconds. What is his acceleration?
0 m/s2
-15 m/s2
1.5 m/s2
15 m/s2
3
A car moves 30 meters in 2.0 seconds, so it has an average speed of
60 m/s
15 m/s
30 m/s
0.067 m/s
4
The meters of your total path, no matter what direction or shape, is your
position
displacement
distance
velocity
5
A person walking 10 m/s goes to 15 m/s in 2.0 seconds. What is his average acceleration?
10 m/s2
2.5 m/s2
cannot be determined
5 m/s2
6
The slope of a position-time graph lets you know____ of the motion.
the velocity
the acceleration
the time elapsed
the displacement
7
the rate of your change in velocity is your
acceleration
frame of reference
speed
none of the above
8
What does the y-axis of a position-time graph tell you about the motion of an object?
its velocity
its time elapsed
its position at any given moment.
all of the above
9
The straight line change in your position, including direction, is known as your
speed
distance
velocity
displacement
10
(v
f
- v
i
)/t is the equation for solving
speed
velocity
time elapsed
acceleration
11
A person walking 15 m/s goes to 10 m/s in 2.0 seconds. What is her acceleration?
-5 m/s2
-2.5 m/s2
2.5 m/s2
5 m/s2
12
Two observers may observe the same object but disagree on its motion due to their having
Bias in judgement
Different units of measurement
Visual problems
Different frames of reference
13
The x-axis of a position-time graph lets you know
all of the above
the time elapsed of the motion
the position of an object at any given moment
the velocity of the motion
14
The rate of your distance is your
time
velocity
acceleration
speed
15
The rate of your change in displacement is your
speed
acceleration
time
velocity
16
A rate means that something is being measured or described as changing over
a distance
a repeating cycle
direction
time
17
Speed can be greater than your velocity, but your velocity can never be greater than your speed
False
dunno
my head hurts
True
18
What famous rapper unleashed the lyrics: S equals d divided by t?
M.C. Buπermilk
Snoop Dog
Lupe Fiasco
Eminem
19
If an object goes backwards 20.0 meters in a straight line for 4.0 seconds its velocity is
5 m/s
-5 m/s
80 m/s
-80 m/s
20
This can also be described by the equation: x
f
-x
i
and the symbol Δx.
distance
position
displacement
acceleration
