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Acceleration — Quiz Answers

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1
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Which equation can be used to solve for acceleration?

A
v f is equal to A t minus v i
B
t is equal to triangle v over A
C
triangle v is equal to A over t
D
A is equal to d over t
2
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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?

A
negative 6 the fraction with numerator m and denominator s squared
B
6 the fraction with numerator m and denominator s squared
C
13 the fraction with numerator m and denominator s squared
D
negative 13 the fraction with numerator m and denominator s squared
3

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

A
Acceleration increases.
B
Acceleration decreases.
C
Acceleration becomes negative.
D
Acceleration becomes steady.
4

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

A
m is equal to the fraction with numerator x sub 2 minus x sub 1 and denominator y sub 2 minus y sub 1
B
A is equal to t over triangle v
C
A is equal to triangle v over m
D
m is equal to the fraction with numerator y sub 2 minus y sub 1 and denominator x sub 2 minus x sub 1
5

Which refers to the rate of change in velocity?

A
magnitude
B
direction
C
speed
D
acceleration
6

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?

A
Isla had a different time than Hazel.
B
Isla went a farther distance than Hazel.
C
Isla had positive acceleration, and Hazel had negative.
D
Isla had negative acceleration, and Hazel had positive.
7

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

A
A time that is greater than a half hour.
B
A time that is less than a half hour.
C
An initial velocity that is faster than a final velocity.
D
A final velocity that is faster than an initial velocity.
8

Which of these is an example of acceleration?

A
a car parked in a driveway
B
a bicyclist turning around a corner
C
a bus traveling north at 25 meters per second
D
a helicopter waiting to take off
9

Ariana is accelerating her car at a rate of 4 point 6 the fraction with numerator m and denominator s squared for 10 seconds. Her starting velocity was 0 meters per second What was her final velocity?

A
4.6 meters per second
B
0 meters per second
C
2.3 meters per second
D
46 meters per second
10

Which graph shows a negative acceleration?

A
Image with description A graph with horizontal axis time (seconds) and vertical axis position (meters). A straight line runs from 0 seconds some positive number meters upward downward to some positive number of seconds 0 meters.
B
Image with description A graph with horizontal axis time (seconds) and vertical axis position (meters). A concave line runs from 0 seconds 0 meters upward.
C
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.
D
Image with description A graph with horizontal axis time (seconds) and vertical axis position (meters). A straight line runs from 0 seconds 0 meters upward.

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