AnswersAL Physical Science AAcceleration

Aceleración Answers

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The graph depicts the velocity and times of Elan and Anna during a race.

Question illustration
A
From 0 to 2 seconds, Anna experienced negative acceleration.
B
From 3 to 6 seconds, Elan accelerated while Anna did not.
C
From 6 to 8 seconds, Elan accelerated faster than Anna.
D
From 8 to 10 seconds, Elan experienced negative acceleration.
2
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The graph represents velocity over time.

Question illustration
A
–0.4 m/s2
B
–0.2 m/s2
C
0.2 m/s2
D
0.4 m/s2
3

Which of these is an example of acceleration?

A
a bicyclist turning around a corner
B
a car parked in a driveway
C
a bus traveling north at 25m/s
D
a helicopter waiting to take off
4

Which velocity vs. time graph corresponds to the data represented by the position vs. time graph?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
A graph labeled velocity versus time with horizontal axis time (seconds) and vertical axis velocity (meters per second). A straight line begins at 0 seconds 10 meters per second and runs to 5 seconds 2 meters per second.
Option D
5

Ariana is accelerating her car at a rate of 4.6 m/s2 for 10 seconds. Her starting velocity was 0 m/s.What was her final velocity?

A
0 m/s
B
2.3 m/s
C
4.6 m/s
D
46 m/s
6

Which equation is most likely used to determine the acceleration from a velocity vs. time graph?

A
a =
Option A
B
m =
Option B
C
a =
Option C
D
m =
Option D
7

Beverly and Carl are in a race. Their graphs show the data.

Question illustration
A
Even though for a majority of the race they accelerated at the same rate, Carl won because his initial acceleration was greater than Beverly’s.
B
Even though for a majority of the race they accelerated at the same rate, Beverly won because her initial acceleration was greater than Carl’s.
C
Beverly accelerated at a greater rate for the entire race.
D
Carl accelerated at a greater rate for the entire race.
8

Which equation can be used to solve for acceleration?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

The chart shows the time, initial velocity, and final velocity of three riders.Which best describes the riders' final velocities ?

Question illustration
A
Gabriella is speeding up at the same rate that Kendall is slowing down, and Franklin is not accelerating.
B
Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.
C
Gabriella and Franklin are both slowing down, and Kendall is accelerating.
D
Gabriella is slowing down, and Kendall and Franklin are accelerating.
10

If velocity is positive, which would most likely yield a negative acceleration?

A
A final velocity that is faster than an initial velocity.
B
A time that is less than a half hour.
C
An initial velocity that is faster than a final velocity.
D
A time that is greater than a half hour.

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