9-01 Homework 2 - Physics | Physics - Quizizz

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9-01 Homework 2 - Physics

9th grade

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Physics

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Question 1
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Q.
A motion diagram is a series of images of a moving object that records its position after _____.
answer choices
1/30 s
it comes to rest
an acceleration
equal time intervals
<p>1/30 s</p>
alternatives
<p>it comes to rest </p>
<p>an acceleration </p>
<p>equal time intervals </p>
answer explanation
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Question 2
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Q.
Replacing an object in a motion diagram with a single point is called the _____.
answer choices
alternative model
frame differential
operational definition
particle model
<p>alternative model</p>
alternatives
<p>frame differential</p>
<p>operational definition </p>
<p>particle model </p>
answer explanation
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Question 3
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Q.
In a coordinate system the _____ is the point at which both variables have the value zero.
answer choices
distance
magnitude
origin
vector
<p>distance</p>
alternatives
<p>magnitude</p>
<p>origin</p>
<p>vector</p>
answer explanation
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Question 4
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Q.
All of the following are scalar quantities except _____.
answer choices
mass
distance
acceleration
temperature
<p>mass</p>
alternatives
<p>distance</p>
<p>acceleration</p>
<p>temperature</p>
answer explanation
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Question 5
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Q.
The diagram below shows the position of an object changing with time. The displacement of the object if it moves from A to C and then back to B is ____.
answer choices
1 m
2 m
4 m
6 m
<p>1 m</p>
alternatives
<p>2 m</p>
<p>4 m</p>
<p>6 m</p>
answer explanation
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Question 6
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Q.
Final position minus the initial position is called _____.
answer choices
distance
displacement
magnitude
time interval
<p>distance</p>
alternatives
<p>displacement</p>
<p>magnitude</p>
<p>time interval </p>
answer explanation
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Question 7
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Q.
A boy moved from point A to B to C and finally back to A as shown below. What is his displacement?
answer choices
0 m
3 m
5 m
12 m
<p>0 m</p>
alternatives
<p>3 m</p>
<p>5 m</p>
<p>12 m</p>
answer explanation
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Question 8
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Q.
When did the runner described in the graph reach 15.0 m beyond the starting point?
answer choices
1 s
2 s
3 s
4 s
<p>1 s</p>
alternatives
<p>2 s </p>
<p>3 s</p>
<p>4 s</p>
answer explanation
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Question 9
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Q.
A particle starts from A and reaches C through point B as shown in the figure.
The distance travelled by the particle is _____.
answer choices
1 m
3 m
5 m
7 m
<p>1 m</p>
alternatives
<p>3 m</p>
<p>5 m</p>
<p>7 m</p>
answer explanation
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Question 10
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Q.
A student on her way to school walks 4.0𝑚 east, 3.0𝑚 north and another 5.0𝑚 east, as shown in the diagram. Calculate the total distance she covers from her home to school.

answer choices
12 m
5 m
9 m
7 m
<p>12 m</p>
alternatives
<p>5 m</p>
<p>9 m </p>
<p>7 m</p>
answer explanation
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