SUVAT Equations - Assessment

1.

Multiple Choice

30 sec

1 pt

The rate at which velocity changes is called acceleration.

True

False

2.

Multiple Choice

30 sec

1 pt

A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. It's acceleration is __ m/s²?

0

6

12

18

3.

Multiple Choice

30 sec

1 pt

In the absence of air resistance, objects fall at constant

speed

velocity

acceleration

all of the above

4.

Multiple Choice

30 sec

1 pt

An object accelerates at 2 m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?

4 s

8 s

16 s

1/16 s

5.

Multiple Choice

5 mins

1 pt

A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?

4.20 m

52.5 m

105 m

158 m

6.

Multiple Choice

15 mins

1 pt

In each of the following cases, determine which car has the greatest acceleration.

starts from 0 m/s to 20 m/s in 4 seconds.

speed up from 20m/s to 40m/s in 3 seconds

slow down from 50m/s to stop in 2 seconds

starts from 0 m/s to 20m/s in 5 seconds

7.

Multiple Choice

5 mins

1 pt

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

24 m/s²

18 m/s²

16 m/s²

16 m/s

8.

Multiple Choice

5 mins

1 pt

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

-7.5 m/s

-7.5 m/s²

-0.5 m/s²

7.5 mi//hr

9.

Multiple Choice

5 mins

1 pt

An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s² east for a period of 5.00 s. How far does the object move while it is accelerating?

6.30 m

17.5 m

27.2 m

40.0 m

10.

Multiple Choice

5 mins

1 pt

How much time would it take for an object to fall 4.7 meters?

0.959 s

4.79 s

0.979 s

11.

Multiple Choice

5 mins

1 pt

An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s²?

525 m

3750 m

6235 m

9813 m

12.

Multiple Choice

5 mins

1 pt

A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:

19.6 m/s

-5.4 m/s

-44.6 m/s

44.6 m/s

13.

Multiple Choice

30 sec

1 pt

Kinematic equations can only be used for problems with constant ....

Position

Velocity

Acceleration

Time

Variables

14.

Multiple Choice

2 mins

1 pt

Describe the motion by imagining the slope of the tangent and its change overtime.

Negative Velocity, Negative Acceleration

Positive Velocity, Negative Acceleration

Positive Velocity, Positive Acceleration

Negative Velocity, Positive Acceleration

15.

Multiple Choice

30 sec

1 pt

In a normal environment, why does a bowling ball and feather hit the ground at different times when dropped from the same height?

They don't; they hit the ground at the same time.

One is more dense than the other.

One is heavier than the other.

Air resistance

16.

Multiple Choice

30 sec

1 pt

You toss a ball straight upward, in the positive direction. The ball falls freely under the influence of gravity.

At the highest point in the ball’s motion,

its velocity is zero and its acceleration is zero.

its velocity is zero and its acceleration is positive (upward).

its velocity is zero and its acceleration is negative (downward).

its velocity is positive (upward) and its acceleration is zero.

17.

Multiple Choice

30 sec

1 pt

What happens to the velocity of a ball as it is dropped off a cliff?

It decreases at a uniform rate

It increases at a uniform rate

It is constant

It increases at a non-uniform rate

18.

Multiple Choice

30 sec

1 pt

What is the acceleration of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds? (use 10 m/s² for 'g')

5,10,15, 20, 25 m/s²

10, 20, 30, 40, 50 m/s²

5, 20, 45, 80, 125 m/s²

10,10,10,10,10 m/s²

19.

Multiple Choice

30 sec

1 pt

What is the speed of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds? (use 10 m/s² for 'g')

5,10,15, 20, 25 m/s

10, 20, 30, 40, 50 m/s

5, 20, 45, 80, 125 m/s

10,10,10,10,10 m/s

20.

Multiple Choice

30 sec

1 pt

What is the distance a ball falls after 1,2,3,4,5 seconds? (use 10 m/s² for 'g')

10, 20, 30, 40, 50 m

5, 20, 45, 80,125 m

5, 10,15, 20, 25 m

10, 25, 60, 90,120 m

21.

Multiple Choice

3 mins

1 pt

Juan is standing on the balcony of his hotel room, at a height of 45 meters. He accidentally drops his cell phone over the railing. How fast will the phone be traveling when it hits the ground? Ignore the effect of air resistance. (hint: how long does it take to hit the ground?)

9.8 m/s (10 m/s if you round 'g' to 10 m/s²)

24.9 m/s (30 m/s if you round 'g' to 10 m/s²)

149.76 m/s (150 m/s if you round 'g' to 10 m/s²)

46.99 m/s (50 m/s if you round 'g' to 10 m/s²)

22.

Multiple Choice

30 sec

1 pt

A ball is thrown in the air with an initial velocity of 40 m/s. If Gravity is estimated to be -10 m/s², How long does it take to return back down to the point from which it was thrown?

4 seconds

2 seconds

6 seconds

8 seconds

23.

Multiple Choice

30 sec

1 pt

A ball is thrown upward in the air with an initial velocity of 40 m/s. How fast is it going when it returns back down to the point from which it was thrown?

10 m/s

20 m/s

30 m/s

40 m/s

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