AnswersTX-Integrated Physics and ChemistrySpeed and Velocity

Speed and Velocity Answers

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Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?

A
the starting point
B
the direction
C
the end point
D
the time per meter
2
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Which units are used to measure both velocity and speed? Select three options.m/sd/tkm/hmphm2

A
m/s
B
d/t
C
km/h
D
mph
E
m2
3

Which explains the information needed to calculate speed and velocity?

A
Both require the total distance, but velocity also requires time and displacement.
B
Both require time, but velocity requires displacement and speed requires distance.
C
Speed requires displacement, while velocity requires distance.
D
Speed does not require time, while velocity does require time.
4

The graph is the path Beth took on a walk.

Question illustration
A
Beth slowed down considerably.
B
Beth turned around and went the other direction.
C
Beth sped up considerably.
D
Beth went farther away from the origin.
5

The graph indicates the running route for Tobias.Which best describes his run?

Question illustration
A
From time 0 to 6, he went fast and then slowed down.
B
From time 6 to 10, he was at his slowest.
C
From time 12 to 14, he went very slow.
D
From time 14 to 18, he went toward the starting point.
6

Lila is a track and field athlete. She must complete four laps around a circular track. The track itself is a 400 meter track and it took her 6 minutes total to complete.Which best describes her speed and velocity? (There are 60 seconds in 1 minute.)

A
Her speed is 4.4 m/s, and her velocity is 0 m/s.
B
Her speed is 1.1 m/s, and her velocity is 0 m/s.
C
Her speed is 0 m/s, and her velocity is 2400 m/s.
D
Her speed is 4.4 m/s, and her velocity is 4.4 m/s.
7

The chart shows the movement of a ball after several seconds.

Question illustration
A
Column A should be “Time,” and Column B should be “Position.”
B
Column A should be “Position,” and Column B should be “Time.”
C
Column A should be “Velocity,” and Column B should be “Speed.”
D
Column A should be “Speed,” and Column B should be “Velocity.”
8

Mr. Smith is designing a race where velocity will be measured. Which course would allow velocity to accurately get a winner?

A
a 5 mile course from the center of town heading north to the outskirts of town
B
a 100 meter swim in a 50 meter pool
C
a 2 mile run around a 400 meter track
D
a 10 mile bike course that zigzags through the mountains and back again
9

Which statement can be supported by using a position-time graph?

A
A negative slope results when an individual is moving away from the origin.
B
A horizontal line on the graph means the individual is moving at a non-zero velocity.
C
A positive slope results when an individual is moving away from the origin.
D
The speed of an individual cannot be determined from this type of graph.
10

The chart shows Daniela’s run through her race.

Question illustration
A
1.5 m/s
B
2 m/s
C
2.5 m/s
D
5 m/s

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