Answers2001310 Earth Science Sem 1 - ReevesTypes of Radioactive Decay

Acceleration Answers

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G
Gabriella is speeding up at the same rate that Kendall is slowing down, and Franklin is not accelerating.
G
Gabriella is slowing down at the same rate that Kendall is speeding up, and Franklin is not accelerating.
G
Gabriella and Franklin are both slowing down, and Kendall is accelerating.
G
Gabriella is slowing down, and Kendall and Franklin are accelerating.
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If the change in velocity increases, what happens to the acceleration during the same time period?

A
Acceleration decreases.
A
Acceleration increases.
A
Acceleration becomes negative.
A
Acceleration becomes steady.
3

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
0 m/s
2
2.3 m/s
4
4.6 m/s
4
46 m/s
4

Which refers to the rate of change in velocity?

A
speed
B
acceleration
C
direction
D
magnitude
5

Which of these is an example of acceleration?

a
a bicyclist turning around a corner
a
a car parked in a driveway
a
a bus traveling north at 25m/s
a
a helicopter waiting to take off
6

Which equation can be used to solve for acceleration?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
7

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

Question illustration
F
From 0 to 2 seconds, Anna experienced negative acceleration.
F
From 3 to 6 seconds, Elan accelerated while Anna did not.
F
From 6 to 8 seconds, Elan accelerated faster than Anna.
F
From 8 to 10 seconds, Elan experienced negative acceleration.
8

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I
Isla had negative acceleration, and Hazel had positive.
I
Isla's change in velocity occurred over a shorter time than Hazel's.
I
Isla had positive acceleration, and Hazel had negative.
I
Isla went a farther distance than Hazel.
9

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
10

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
Option
Option D
11

Which graph shows a negative acceleration?

A
A graph with horizontal axis time (seconds) and vertical axis position (meters). A straight line runs from 0 seconds 0 meters upward.
Option A
B
A graph with horizontal axis time (seconds) and vertical axis position (meters). A concave line runs from 0 seconds 0 meters upward.
Option B
C
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.
Option C
D
Option
Option D
12

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Question illustration
D
Dustin → Diego → Kira
D
Dustin → Kira → Diego
K
Kira → Dustin → Diego
K
Kira → Diego → Dustin
13

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

A
–13 m/s2
B
–6 m/s2
C
6 m/s2
D
13 m/s2
14

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.

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