Equations
Problem Solving
Units
Definitions
General Questions
100

What is the first kinematics equation?

vf=vi+at

100
A motorbike travels east and begins to slow down before a traffic light. In which direction is the motorbikes acceleration going?
What is west?
100
What are the units for displacement?
meters
100
Gravity = ?
What is -9.8m/s2
100
During free fall, what is the acceleration of an object?
What is -9.8m/s2?
200

What is the second kinematics equation?

x=vit+1/2at2

200
A person walks 8 km east during the first day, and 5 km west the next day. What is their net displacement?
What is 3 km?
200
What are the units for time?
seconds (hours will be accepted as well)
200
The speed of something in a particular direction.
What is velocity?
200
An object at rest has an initial velocity of ___.
What is zero?
300

What is the 3rd kinematics equation?

vf2=vi2+2a(delta)x

300
A stomp rocket takes 1.5 seconds to reach its maximum height. What was its initial velocity?
What is 14.7 m/s?
300
What are the units for velocity?
m/s
300

A change in velocity over some time interval

What is acceleration?

300
If a car is traveling at a velocity of 5 m/s, and slows to a stop, the final velocity is ____.
What is zero?
400

Which equation eliminates time?

What is the 3rd kinematics equation?

400
What is the maximum height of a stomp rocket that has an initial velocity of 14.7 m/s?
What is 11.03m?
400

What are the units for acceleration?

m/s2

400

The net change in position.

What is displacement?

400
The final velocity of a stomp rocket at its peak is = ?
What is 0.
500

Which equation do we use to find the initial velocity of a stomp rocket if we have a stop watch?

What is the first kinematics equation?

500
An object accelerates from rest, with a constant acceleration of 4.5 m/s2, what will its velocity be after 30s?
What is 135 m/s?
500

What are the units for gravity?

m/s2 (9.8m/s2 will be accepted as well)

500
What is the difference between displacement and distance?
Distance - how far an object has travelled Displacement - how far an object is out of place
500

An object moves at a constant speed of 5m/s, this means that the object:

a. Increases speed 5m/s every second

b. Decreases its speed by 5m/s every second

c. has a positive acceleration

d. moves 5 meters every second

D. Moves 5 meters every second

M
e
n
u