Pretest

Question 1

Which refers to the rate of change in velocity?

Revolt · Accepted Answer

acceleration

Question 2

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

Revolt · Accepted Answer

An initial velocity that is faster than a final velocity.

Question 3

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

Revolt · Accepted Answer

m is equal to the fraction with numerator y sub 2 minus y sub 1 and denominator x sub 2 minus x sub 1

Question 4

A car is traveling in a race. The car went from the initial velocity of 35 meters per second to the final velocity of 65 meters per second in 5 seconds. What is the acceleration?

Revolt · Accepted Answer

6 the fraction with numerator m and denominator s squared

Question 5

Isla’s change in velocity is 30 meters per second , and Hazel has the same change in velocity. Which best explains why they would have different accelerations?

Revolt · Accepted Answer

Isla had a different time than Hazel.

Question 6

Which equation can be used to solve for acceleration?

Revolt · Accepted Answer

t is equal to triangle v over A

Question 7

Which of these is an example of acceleration?

Revolt · Accepted Answer

a bicyclist turning around a corner

Question 8

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?

Revolt · Accepted Answer

46 meters per second

Question 9

Which graph shows a negative acceleration?

Revolt · Accepted Answer

Image with description A graph with horizontal axis time (seconds) and vertical axis position (meters). A concave downward runs from the vertical axis at 0 seconds to the horizontal axis at 0 meters.

Question 10

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

Revolt · Accepted Answer

Acceleration increases.

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