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Physics
Speed and Velocity vs Velocity Distance and Displacement
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Created by
Abdullah Mahroof
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Cards (30)
What is a scalar quantity?
It only has
magnitude
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What is a vector quantity?
It has both
magnitude
and
direction
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Is velocity a scalar or vector quantity?
Vector
quantity
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Is
speed a scalar or vector quantity?
Scalar quantity
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Give an example of speed.
A person running at
4 m/s
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Give an example of velocity.
A person cycling
6 m/s
east
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Why is it common to confuse speed and velocity?
Both are related to
motion
but differ in direction
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What is distance considered as?
Scalar quantity
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Give an example of distance.
10 meters
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What is displacement considered as?
Vector quantity
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Give an example of displacement.
A person running
40 meters
east
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How do you calculate speed?
Speed =
Distance
/
Time
Example: 550 meters / 10 seconds =
55 m/s
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How do you calculate velocity?
Velocity =
Displacement
/
Time
Example: 550 meters
east
/ 10 seconds =
55 m/s
east
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What does the letter 's' represent in the velocity equation?
Displacement
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What does the letter 's' represent in the speed equation?
Speed
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What does the letter 'd' represent in the speed equation?
Distance
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What does the letter 't' represent in both equations?
Time
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Why do people often use the velocity equation incorrectly?
They may not have a
direction
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What is average speed?
Total
distance
or
displacement
divided by total
time
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What is the average walking speed of a person?
About
1.5 m/s
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What is the average running speed of a person?
Around 3
m/s
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What is the average cycling speed of a person?
About
6 m/s
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What is the average speed of a car on the main road?
Around
25 m/s
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What is the average speed of a fast train?
About
55 m/s
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What is the speed of sound waves in air?
330 m/s
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How does the speed of sound change in different mediums?
It
varies
depending
on
the
medium
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What factors can affect wind speed?
Temperature
,
pressure
, and structures
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What can wind speed vary from?
Almost
zero
to faster than a
train
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What are the key differences between speed and velocity?
Speed:
Scalar
, only magnitude
Velocity:
Vector
, magnitude and direction
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What are the key differences between distance and displacement?
Distance:
Scalar
, only magnitude
Displacement:
Vector
, magnitude and direction
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