Unit 4

Quiz by SUSAN CORTEZ

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SCI.7.7A

SCI.7.7B

SCI.7.7C

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19 questions

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Q1
30s
SCI.7.7A
Q2
30s
SCI.7.7A
Q3
30s
SCI.7.7A
Q4
30s
SCI.7.7A
Q5
30s
SCI.7.7A
Q6
If a car travels 120 kilometers north in 2 hours, what is its velocity?
$120 \text{ km/h north}$
$60 \text{ km/h south}$
$60 \text{ km/h}$
$60 \text{ km/h north}$
30s
SCI.7.7B
Q7
What is the key difference between speed and velocity in linear motion?
Speed and velocity are the same thing.
Velocity is the average speed of an object.
Speed is always greater than velocity.
Velocity includes direction, while speed does not.
30s
SCI.7.7B
Q8
A cyclist moves from point A to point B and returns to point A in 1 hour. The distance covered is 20 km. What is the velocity of the cyclist?
$20 \text{ km/h}$
$0 \text{ km/h}$
$10 \text{ km/h}$
$5 \text{ km/h}$
30s
SCI.7.7B
Q9
An object travels 150 meters east in 10 seconds and then 150 meters west in another 10 seconds. What is the object's average velocity?
$0 \text{ m/s}$
$30 \text{ m/s east}$
$15 \text{ m/s}$
$15 \text{ m/s east}$
30s
SCI.7.7B
Q10
A hiker walks 3 km north and then 4 km south. What is the hiker's total displacement?
$1 \text{ km south}$
$1 \text{ km north}$
$7 \text{ km}$
$0 \text{ km}$
30s
SCI.7.7B
Q11
An airplane travels 600 km east and then 400 km west in 2 hours. What is its average velocity?
$100 \text{ km/h east}$
$300 \text{ km/h east}$
$200 \text{ km/h west}$
$500 \text{ km/h}$
30s
SCI.7.7B
Q12
A distance-time graph shows a straight line with a positive slope. What can you infer about the object's motion?
The object is accelerating.
The object is moving at a constant speed.
The object is at rest.
The object is moving backwards.
30s
SCI.7.7C
Q13
On a distance-time graph, the line becomes steeper over time. What does this indicate about the object's motion?
The object is accelerating.
The object is decelerating.
The object is moving at a constant speed, then stops.
The object is moving at a constant speed.
30s
SCI.7.7C
Q14
If an object's distance-time graph is represented by a horizontal line, what does this reveal about the object's motion?
The object is moving at a constant speed.
The object is accelerating.
The object is moving in reverse.
The object is at rest.
30s
SCI.7.7C
Q15
What does a downward slope on a distance-time graph indicate about the object's motion?
The object is moving away from the starting point.
The object is at rest.
The object is moving at a constant speed.
The object is moving towards the starting point.
30s
SCI.7.7C

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