Quiz about Velocity, Acceleration, Graphs

Question 1

65mi/hr South is an example of...

Accepted Answer

Velocity

Answer

Speed

Answer

Acceleration

Answer

Direction

Question 2

Find the velocity of a plane that traveled 3000 miles west in 5 hours.

Accepted Answer

600 mph west

Answer

65 mph

Answer

600 mph

Answer

600 mph

Question 3

Describe the speed of the object from 4-6 seconds using the distance vs. time graph.

Accepted Answer

Not moving

Answer

Increasing speed

Answer

Decreasing speed

Answer

Constant speed

Question 4

A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?

Accepted Answer

+5m/s2

Answer

+25m/s2

Answer

-0m/s2

Answer

5m/s

Question 5

A helicopter flies west 200 miles in 2 hours. What is its velocity?

Accepted Answer

100 mph south

Answer

99 mph

Answer

400 mph south

Answer

297 mph south

Question 6

If you travel 7.5 km and walk for 1.5 h, what is your average speed?

Accepted Answer

5 km/h

Answer

11.25 km/h

Answer

0.2 km/h

Question 7

What two things must you know to determine speed?

Accepted Answer

time and distance

Answer

distance and direction

Answer

direction and time

Answer

speed and direction

Question 8

Which of the following is an example of potential energy?

Accepted Answer

A glass jar sitting on a shelf

Answer

A flag waving in the wind

Answer

A ball rolling along the sidewalk

Answer

A battery powering a radio

Question 9

Acceleration of an object happens when things ________

Accepted Answer

All of the above

Answer

slow down

Answer

go faster

Answer

change direction (turn)

Question 10

Which time section is the object moving the fastest?

Accepted Answer

20-30 seconds

Answer

0-10 seconds

Answer

10-20 seconds

Answer

30-40 seconds

Question 11

Which graph is would represent a decrease in speed?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

The object is not decreasing in speed in any of these graphs

Question 12

What is velocity?

Accepted Answer

speed in a specific direction

Answer

the quickness of an object

Answer

the location of an object

Answer

acceleration

Question 13

Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

Accepted Answer

0

Answer

800

Answer

400

Answer

200

Question 14

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Bill's distance?

Accepted Answer

800 meters

Answer

0 meters

Answer

400 meters

Answer

1600 meters

Question 15

Displacement is distance combined with

Accepted Answer

direction

Answer

speed

Answer

velocity

Answer

magnitude

Question 16

Because displacement has a magnitude and direction it is called a ______.

Accepted Answer

vector

Answer

distance

Answer

arrow

Answer

length

Question 17

What does a horizontal line on a speed-time graph indicate?

Accepted Answer

Constant speed

Answer

Acceleration

Answer

No motion

Answer

Decreasing speed

Question 18

Explain the concept of changing speed with respect to acceleration.

Accepted Answer

Acceleration is the rate of change of velocity over time.

Answer

Acceleration is the rate of change of distance over time.

Answer

Acceleration has no effect on speed.

Answer

Acceleration is the same as speed.

Question 19

On a speed-time graph, what does a steeper slope indicate?

Accepted Answer

Greater acceleration or deceleration

Answer

Slower speed

Answer

Constant speed

Answer

No change in speed

Question 20

Define terminal velocity.

Accepted Answer

The constant speed that a freely falling object eventually reaches when the resistance of the medium through which it is falling prevents further acceleration.

Answer

The speed at which an object stops falling

Answer

The speed at which an object starts falling

Answer

The maximum speed that an object can reach when falling through a vacuum

Question 21

How does terminal velocity relate to acceleration?

Accepted Answer

Terminal velocity is the point at which acceleration becomes zero.

Answer

Terminal velocity increases acceleration

Answer

Terminal velocity has no effect on acceleration

Answer

Terminal velocity decreases acceleration

Question 22

What type of motion is represented by a straight line on a speed-time graph?

Accepted Answer

Constant speed

Answer

Random motion

Answer

No motion

Answer

Acceleration

Question 23

How does the speed-time graph of an object in free fall look like?

Accepted Answer

A straight line with a constant slope

Answer

A horizontal line with no slope

Answer

A parabola with a decreasing slope

Answer

A zigzag line with varying slopes

Question 24

What does this graph represent?

Accepted Answer

Constant Speed

Answer

Acceleration

Answer

Not moving

Question 25

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

Accepted Answer

16 m/s2

Answer

24 m/s2

Answer

18 m/s2

Answer

16 m/s

Question 26

What is happening at D?

Accepted Answer

Fast steady speed; moving away from the starting position

Answer

Stationary

Answer

Accelerating

Answer

Slower steady speed; moving away from the starting position

Question 27

What is happening at E?

Accepted Answer

Steady speed; returning to start position

Answer

Stationary

Answer

Accelerating

Answer

Fast steady speed; moving away from the starting position

Question 28

What is happening at A?

Accepted Answer

Stationary

Answer

Accelerating

Answer

Slower steady speed; moving away from the starting position

Answer

Steady speed; returning to start position

Question 29

According to the graph how far does the person travel in the first 5 seconds?

Accepted Answer

5 m

Answer

2 m

Answer

10 m

Answer

0 m

Question 30

What is the person doing from 5 seconds to 10 seconds?

Accepted Answer

Standing Still

Answer

Walking

Answer

Running

Answer

Walking Fast

Question 31

How far is the person from the starting point after 3 seconds?

Accepted Answer

3 m

Answer

0 m

Answer

2 m

Answer

6 m

Question 32

What is the average speed of the person during the first 5 seconds?

Accepted Answer

1 m/s

Answer

0 m/s

Answer

3 m/s

Answer

6 m/s

Question 33

Acceleration: is the rate of change in ___________.

Accepted Answer

velocity

Answer

speed

Answer

distance

Answer

displacement

Question 34

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

Accepted Answer

7m/s2

Answer

0.7m/s2

Answer

14m/s2

Answer

none of the above

Question 35

The SI unit for acceleration is

Accepted Answer

m/s2

Answer

mph

Answer

ft/sec2

Question 36

When are you undergoing an acceleration in a car?

Accepted Answer

All of the above

Answer

speed up

Answer

slow down

Answer

make turns

Question 37

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

Accepted Answer

-0.5 m/s2

Answer

-7.5 m/s

Answer

-7.5 m/s2

Answer

7.5 mi//hr

Question 38

The picture of the position vs. time graph shows an object that is...

Accepted Answer

accelerating/speeding up

Answer

moving at a constant speed

Answer

not moving

Answer

accelerating/slowing down.

Question 39

Why does a car accelerate as it round a corner at a constant speed?

Accepted Answer

Its direction changes

Answer

It doesn't

Answer

It slows down

Answer

Its speeds up

Question 40

A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?

Accepted Answer

40 m/s2

Answer

0 m/s

Answer

-40 m/s2

Answer

40 m/s

Question 41

What does this graph represent?

Accepted Answer

Not moving

Answer

Constant speed

Answer

Acceleration

Question 42

Which runner had a head start?

Accepted Answer

B

Answer

A

Answer

C

Question 43

Can be measured in meters (m)

Accepted Answer

Distance

Answer

Time

Answer

Speed

Answer

Acceleration

Question 44

In which of the following graphs below are both runners moving at the same speed?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 45

What kind of acceleration is shown here?

Accepted Answer

none

Answer

positive

Answer

negative

Answer

varies

Question 46

Which person moved the fastest in 3 seconds?

Accepted Answer

biker

Answer

runner

Answer

walker

Answer

they are all moving equally

Question 47

What is the velocity?

Accepted Answer

decreasing

Answer

positive

Answer

negative

Answer

increasing

Question 48

Which section of the graph shows decreasing velocity?

Accepted Answer

EF

Answer

CD

Answer

DE

Answer

GH

Question 49

Which section of the graph shows constant velocity?

Accepted Answer

BC

Answer

AB

Answer

EF

Answer

GH

Question 50

How fast is this object going at 1 second?

Accepted Answer

30 cm/s

Answer

20 cm/s

Answer

-40 cm/s

Question 51

Describe the motion from B - C.

Accepted Answer

Constant velocity of 60 m/min

Answer

Standing still

Answer

Constant velocity of 0 m/min

Answer

Accelerating

Question 52

Select the two correct statements that describe the object's motion.

Accepted Answer

The object is moving in the negative direction.

Accepted Answer

The object is moving at a constant speed.

Answer

The object is moving in the positive direction.

Answer

The object is speeding up.

Answer

The object is slowing down.

Question 53

At what point is the speed the greatest?

Accepted Answer

C-D

Answer

B-C

Answer

A-B

Answer

D-E

Question 54

What is happening to the object's speed in section D?

Accepted Answer

Decreasing speed

Answer

Increasing speed

Answer

Constant speed

Answer

Not moving

Question 55

20 m/s west

Accepted Answer

Velocity

Answer

Speed

Answer

Acceleration

Question 56

Acceleration is

Accepted Answer

the rate at which velocity changes.

Answer

the change in velocity

Answer

the rate of change

Answer

when you speed up only

Question 57

What does it mean when a change in velocity is negative?

Accepted Answer

The object is slowing down.

Answer

The object is speeding up.

Answer

The object is changing direction.

Answer

The object is falling down.

Question 58

In each of the following cases, determine where the car has no acceleration ?

Accepted Answer

A car with the cruise control set at 80 km/h

Answer

A car shortly after a stoplight turns green.

Answer

A car approaching a red light

Answer

A car turning a curve at a constant speed

Question 59

Which of the following is a unit for acceleration?

Accepted Answer

m/s2

Answer

km/s

Answer

mi/hr

Answer

ft

Question 60

If you are test-driving a Bugatti Veyron and you go from 0 km/s to 124 km/s in 3.7 seconds, what was your acceleration?

Accepted Answer

33.5 m/s2

Answer

0.03 m/s2

Answer

-33.5 m/s²

Answer

-0.03 m/s²

Question 61

A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration in m/s²?

Accepted Answer

-56,000 m/s²

Answer

56,000 m/s²

Answer

17857 m/s²

Answer

-17857 m/s²

Question 62

What is the final velocity of a rocket that travels for 4 seconds, has an initial velocity of 12 km/s and an acceleration of 2 km/s²?

Accepted Answer

20 km/s

Answer

-4 km/s

Answer

10 km/s

Answer

-10 km/s

Question 63

when an object changes its position compared to a reference point.

Accepted Answer

motion

Answer

acceleration

Answer

speed

Answer

reference point

Question 64

total distance traveled divided by total time taken to travel that distance

Accepted Answer

average speed

Answer

velocity

Answer

motion

Answer

acceleration

Velocity, Acceleration, Graphs

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