Answers AA-F26 Physical ScienceAcceleration

Acceleration Answers

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

From 0 to 2 seconds, Anna experienced negative acceleration.

From 3 to 6 seconds, Elan accelerated while Anna did not.

From 6 to 8 seconds, Elan accelerated faster than Anna.

From 8 to 10 seconds, Elan experienced negative acceleration.

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Which of these is an example of acceleration?

a bicyclist turning around a corner

a car parked in a driveway

a bus traveling north at 25m/s

a helicopter waiting to take off

The graph represents velocity over time.

–0.4 m/s2

–0.2 m/s2

0.2 m/s2

0.4 m/s2

Isla’s change in velocity is 30 m/s over 5 seconds. Hazel has the same change in velocity, but it takes her 10 seconds to achieve it.Which best explains why they would have different accelerations?

Isla had negative acceleration, and Hazel had positive.

Isla's change in velocity occurred over a shorter time than Hazel's.

Isla had positive acceleration, and Hazel had negative.

Isla went a farther distance than Hazel.

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?

0 m/s

2.3 m/s

4.6 m/s

46 m/s

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

Option

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.

If the change in velocity increases, what happens to the acceleration during the same time period?

Acceleration decreases.

Acceleration increases.

Acceleration becomes negative.

Acceleration becomes steady.

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

Gabriella is speeding up at the same rate that Kendall is slowing down, and Franklin is not accelerating.

Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.

Gabriella and Franklin are both slowing down, and Kendall is accelerating.

Gabriella is slowing down, and Kendall and Franklin are accelerating.

Which equation can be used to solve for acceleration?

Option

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

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.

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.

Beverly accelerated at a greater rate for the entire race.

Carl accelerated at a greater rate for the entire race.

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Acceleration Answers

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