Deck 27: Velocity

Question 1

When velocity is constant, directed distance is a linear function of time.

Answer 1

True

Question 2

Velocity is the rate of change in directed distance.

Answer 2

True

Question 3

When the graph of directed distance is a horizontal line above the horizontal axis, what can be said about the graph of velocity?

A) The graph of velocity is a horizontal line above the horizontal axis.
B) The graph of velocity is a horizontal line below the horizontal axis.
C) The graph of velocity is a straight line with positive slope.
D) The graph of velocity lies on the horizontal axis.

Answer 3

The graph of velocity lies on the horizontal axis.

Question 4

When velocity is 0, what can be said about directed distance?

A) Directed distance is a linear function with negative slope.
B) Directed distance is a linear function with positive slope.
C) Directed distance is constant.
D) Directed distance is 0.

Question 5

When the graph of directed distance is a horizontal line below the horizontal axis, what can be said about the graph of velocity? ​

A) The graph of velocity is a horizontal line above the horizontal axis.
B) The graph of velocity is a horizontal line below the horizontal axis.
C) The graph of velocity is a straight line with negative slope.
D) The graph of velocity lies on the horizontal axis.

Question 6

When the graph of directed distance is a straight line with positive slope, what can be said about the graph of velocity?

A) The graph of velocity is a horizontal line above the horizontal axis.
B) The graph of velocity is a horizontal line below the horizontal axis.
C) The graph of velocity is a straight line with positive slope.
D) The graph of velocity is a straight line with negative slope.

Question 7

Speed may be negative.

Question 8

When the graph of directed distance is decreasing, what can be said about the graph of velocity?

A) It lies above the horizontal axis.
B) It lies below the horizontal axis.
C) It lies on the horizontal axis.
D) The graph of velocity is increasing.

Question 9

When the graph of directed distance is increasing, what can be said about the graph of velocity?

A) It lies above the horizontal axis.
B) It lies below the horizontal axis.
C) It lies on the horizontal axis.
D) The graph of velocity is increasing.

Question 10

When the graph of directed distance reaches a minimum (at a valley), what can be said about velocity at this point?

A) Velocity is a linear function.
B) Velocity reaches a minimum.
C) Velocity reaches a maximum.
D) Velocity is 0.

Question 11

When the graph of directed distance is a straight line with negative slope, what can be said about the graph of velocity?

A) The graph of velocity is a horizontal line above the horizontal axis.
B) The graph of velocity is a horizontal line below the horizontal axis.
C) The graph of velocity is a straight line with positive slope.
D) The graph of velocity is a straight line with negative slope.

Question 12

When velocity is constant and negative, what can be said about directed distance?

A) Directed distance is a linear function with negative slope.
B) Directed distance is a linear function with positive slope.
C) Directed distance is constant and negative.
D) Directed distance is constant and positive.

Question 13

When the graph of directed distance reaches a maximum (at a peak), what can be said about velocity at this point?

A) Velocity is a linear function.
B) Velocity reaches a minimum.
C) Velocity reaches a maximum.
D) Velocity is 0.

Question 14

When directed distance is increasing, what can be said about velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) Velocity is increasing.

Question 15

When directed distance is increasing, velocity is negative.

Question 16

When a rock is tossed upward, its velocity at the peak of its flight is 0.

Question 17

When directed distance is decreasing, what can be said about velocity? ​

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) Velocity is increasing.

Question 18

When directed distance is not changing, what can be said about velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) Velocity is increasing.

Question 19

When the graph of directed distance is a horizontal line, what can be said about the graph of velocity?

A) It lies above the horizontal axis.
B) It lies below the horizontal axis.
C) It lies on the horizontal axis.
D) The graph of velocity is increasing.

Question 20

Velocity may be negative.

Question 21

A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain.We measure his location as distance up from the base of the mountain.What can be said about the man's velocity when he is hiking down the mountain?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 22

The graph of velocity lies above the horizontal axis.What can be said about the graph of directed distance?

A) It is above the horizontal axis.
B) It is below the horizontal axis.
C) It is increasing.
D) It is decreasing.

Question 23

A car is driving north at a constant velocity of 64 miles per hour.Since velocity is constant, distance south, in miles, is a linear function.What is the slope of this linear function?

A) 64 miles per hour
B) -64 miles per hour
C) 0 miles per hour
D) None of the above.

Question 24

A rock is tossed upward from the ground.It rises and then falls back to the ground.Sketch a graph of distance up from the ground.Be sure to label clearly your graph.

Question 25

We locate the position of a car driving on an east-west highway as distance east.If the car is driving west at a speed of 60 miles per hour, what can be said about velocity?

A) Velocity is 60 miles per hour.
B) Velocity is -60 miles per hour.
C) Velocity is 0 miles per hour.
D) None of the above.

Question 26

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance down from the ceiling.When the ball is moving upward, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 27

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance up from the floor.When the ball is at the peak of its bounce, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 28

We locate the position of a car driving on an east-west highway as distance east.If the car stopped at a light, what can be said about velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 29

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance down from the ceiling.When the ball is moving downward, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 30

A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain.We measure his location as distance up from the base of the mountain.What can be said about the man's velocity when he is hiking up the mountain?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 31

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance up from the floor.When the ball is moving downward, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 32

The graph of velocity lies below the horizontal axis.What can be said about the graph of directed distance?

A) It is above the horizontal axis.
B) It is below the horizontal axis.
C) It is increasing.
D) It is decreasing.

Question 33

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance down from the ceiling.When the ball is at the peak of its bounce, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 34

A car is driving north at a constant velocity of 56 miles per hour.Since velocity is constant, distance north, in miles, is a linear function.What is the slope of this linear function? ​

A) 56 miles per hour
B) -56 miles per hour
C) 0 miles per hour
D) None of the above.

Question 35

A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain.We measure his location as distance up from the base of the mountain.What can be said about the man's velocity when he is resting at the peak?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 36

We locate the position of a car driving on an east-west highway as distance east.If the car is driving east at a speed of 65 miles per hour, what can be said about velocity?

A) Velocity is 65 miles per hour.
B) Velocity is -65 miles per hour.
C) Velocity is 0 miles per hour.
D) None of the above.

Question 37

A rock is tossed upward from the ground.The graph of distance up is shown.Make a graph of velocity.
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Question 38

The graph of velocity lies on the horizontal axis.What can be said about the graph of directed distance?

A) It is a horizontal line.
B) It is a vertical line.
C) It is increasing.
D) It is decreasing.

Question 39

A man hikes up a mountain to the peak, where he rests for a few minutes and then continues down the other side of the mountain.We measure his location as distance down from the peak of the mountain.What can be said about the man's velocity when he is hiking up the mountain?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 40

A basketball is tossed onto the hardwood, where it bounces several times.We measure its location as distance up from the floor.When the ball is moving upward, what can be said about its velocity?

A) Velocity is positive.
B) Velocity is negative.
C) Velocity is 0.
D) None of the above.

Question 41

A car accelerates in a westerly direction from a yield sign to a constant speed on the freeway.It then exits the freeway and parks.Measure the location of the car as its distance west of the yield sign.Make a graph of velocity.Be sure to label you graph appropriately.
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Question 42

A man leaves home driving west on a straight road.We locate the position of the car as the distance west from home.Suppose the man begins his trip and sets his cruise control, but after a few minutes he notices that he has forgotten his wallet.He returns home, gets his wallet, and then resumes his journey.He figures that he may be late, so he sets the cruise control a little higher than before.The graph of distance west from home is shown.Make a graph velocity for the trip.
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Question 43

You leave your apartment at 10:00 am and take a leisurely stroll to get lunch at a pizza place that is 2500 yards west of your home.You have lunch there from 12:00 to 1:00 pm.You return home, arriving at 2:00 pm, and take a one-hour nap.Then you go to a friend's house, which is east of your home.You stay there from 4:00 pm on.Make a graph of distance west from your home versus time.Be sure to label your graph appropriately.

Question 44

A car accelerates in a westerly direction from a yield sign to a constant speed on the freeway.It then exits the freeway and parks.The graph of velocity is shown below.Make a graph of distance west of the yield sign.Be sure to label you graph appropriately.
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Question 45

A man leaves home driving west on a straight road.We locate the position of the car as the distance west from home.Suppose the man begins his trip and sets his cruise control, but after a few minutes he notices that he has forgotten his wallet.He returns home, gets his wallet, and then resumes his journey.He figures that he may be late, so he sets the cruise control a little higher than before.Make a graph of distance west from home.
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Question 46

An airplane leaves New York and flies south at a constant speed to Miami, where it lands and takes on new passengers.It then makes the return flight at a constant speed.Make a graph that shows distance north of Miami over the period of the round-trip flight.Be sure to label your graph appropriately.
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Question 47

An airplane leaves New York and flies south at a constant speed to Miami, where it lands and takes on new passengers.It then makes the return flight at a constant speed.Make a graph that shows distance south of New York over the period of the round-trip flight.Be sure to label your graph appropriately.
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Question 48

An airplane leaves New York and flies south at a constant speed to Miami, where it lands and takes on new passengers.It then makes the return flight at a constant speed.The graph of distance south of New York is shown.Make a graph of velocity for the round-trip.Be sure to label your graph appropriately.
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Question 49

An airplane leaves New York and flies south at a constant speed to Miami, where it lands and takes on new passengers.It then makes the return flight at a constant speed.The graph of distance north of Miami is shown.Make a graph of velocity for the round-trip.Be sure to label your graph appropriately.
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