Quiz about Kinematic Equations

Question 1

Kinematic equation can only be used when you have a constant ....

Accepted Answer

Acceleration

Answer

Position

Answer

Velocity

Answer

Time

Question 2

The unit we use to measure distance is ___.

Accepted Answer

m

Answer

m/s

Answer

s

Answer

m/s2

Question 3

The unit we use to measure speed is ___.

Accepted Answer

m/s

Answer

m

Answer

s

Answer

m/s2

Question 4

The unit we use to measure acceleration is ___.

Accepted Answer

m/s2

Answer

m/s

Answer

m

Answer

s

Question 5

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 6

Velocity is both ____ and _____.

Accepted Answer

speed , direction

Answer

direction, mass

Answer

volume, density

Answer

direction, magnitude

Question 7

If an object starts from rest, what is its initial velocity?

Accepted Answer

0

Answer

Depends on the problem

Answer

-9.8m/s2

Answer

Always positive

Question 8

Kinematic equation can only be used when you have a constant ....

Accepted Answer

Acceleration

Answer

Position

Answer

Velocity

Answer

Time

Question 9

Solve for "a" given v = v₀ + at

Accepted Answer

a = (v-v₀)/t

Answer

a = (v₀-v)/t

Answer

a = t/(v-v₀)

Answer

a = t/(v₀-v)

Question 10

When a car rounds a corner at a constant speed, its acceleration is zero.

Accepted Answer

false

Answer

true

Question 11

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

Accepted Answer

It increases at a uniform rate

Answer

It decreases at a uniform rate

Answer

It is constant

Answer

It increases at a non-uniform rate

Question 12

*A dog basks in the sun when he sees a squirrel and bolts after it. If the dog accelerates at +1.6 m/s/s, how far does he run in 3 seconds?

Accepted Answer

7.2 meters

Answer

4.8 meters

Answer

45 meters

Answer

1.6 meters

Question 13

A ball is dropped from a building. How fast is it traveling after falling for 1.77 s? (Hint: It's a free falling object)

Accepted Answer

17.35 m/s

Answer

14.76 m/s

Answer

18.91 m/s

Answer

20.03 m/s

Question 14

A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car. Choose the appropriate equation.

Accepted Answer

d=v_ot+1/2at²

Answer

v=vo+at

Answer

v²=v_o²+2ad

Answer

d=1/2(v+v_o)t

Question 15

An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s². The takeoff speed for this plane will be 65 m/s. All airplanes will start from rest. Assuming this minimum acceleration, what is the minimum allowed length for the runway?

Accepted Answer

v²=v_o²+2ad

Answer

v=vo+at

Answer

d=v_ot+1/2at²

Answer

d=1/2(v+v_o)t

Question 16

*A golf ball accelerates off a tee at 15 m/s², changing its velocity from 0 m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

Accepted Answer

3.3 seconds

Answer

750 seconds

Answer

35 seconds

Answer

0.3 seconds

Question 17

*How long will it take a running horse to travel 260 m and attain a speed of 12 m/s from rest?

Accepted Answer

43 seconds

Answer

1200 seconds

Answer

1.2 hours

Answer

43 minutes

Question 18

Horse A is running East at a speed of 6 m/s. Horse B is running at a speed of 8 m/s East as it passes Horse A. What is Horse B's velocity relative to Horse A?

Accepted Answer

2 m/s

Answer

14 m/s

Answer

-2 m/s

Answer

48 m/s

Question 19

A helicopter is moving horizontally at a speed of 50 ms^-1. It then accelerates uniformly at 2 ms^-2 for 10 seconds.

What is the final speed of the helicopter?

Accepted Answer

70 m/s

Answer

50 m/s

Answer

200 m/s

Answer

668 m/s

Question 20

How long would it take a car, starting from rest and accelerating uniformly in a straight line at 5 m/s², to cover a distance of 200m

Accepted Answer

9.0s

Answer

10.5s

Answer

12.0s

Answer

15.5s

Question 21

A bowling ball is dropped in a vacuum chamber. As it falls, the acceleration of the bowling ball

Accepted Answer

remains the same

Answer

decreases

Answer

increases

Question 22

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?

Accepted Answer

52.5 m

Answer

4.20 m

Answer

105 m

Answer

158 m

Kinematic Equations

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