Equations
Problem Solving
More Problem Solving
Definitions
Even More Problem Solving
100

What is the equation missing distance?

v=v0+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

A ball is thrown horizontally from the top of a building with an initial velocity of 15 meters per second. At the same instant, a second ball is dropped from the top of the building. The two balls have the same

initial velocity

100
The speed of something in a particular direction.
What is velocity?
100

A ball dropped from rest falls freely until it hits the ground with a speed of 20 meters per second. What is the approximate time during which the ball is in free fall?

2s

200

What is the equation missing final velocity?

x=x0+v0t+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

After a model rocket reached its maximum height, it then took 5.0 seconds to return to the launch site. What is the approximate maximum height reached by the rocket?

120m

200
The net change in position.
What is displacement?
200

A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about

60 m/s

300

What is the equation missing time?

vf2=v02+2a(x-xo)

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

An object free falls for 4.5 seconds. How far does it fall?

~100 m

300

Rate of change of position. 

What is velocity?

300

An object is thrown upwards with a speed of 14 m/s. How high above the projection point is it after 0.5s?

5.8m

400

What is the equation that does not include acceleration?

x=vt

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

An object falling from rest hits the ground in 2 s. What is its terminal velocity?

~20 m/s

400

Rate of change of the velocity.

What is acceleration?

400

A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reach back to the point it was thrown from?

8s

500

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

What is v=v0 + at ?

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

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

~1s

500

The velocity at the maximum height.

What is 0 m/s?

500

an object is dropped from a bridge. a second object is thrown downwards 1s later. They both reach the water 20m below at the same instant. What is the initial speed of the second object?

14.6 m/s