Kinematics Review

Speed

100

What is the speed formula? 

What is: s = d / t

200

If an object travels 400 meters in 20 seconds what is the speed of the object?

What is: 20 m/s 

300

If a ball rolls down a hill that is 25 meters long and it takes 90 seconds to reach the bottom of the hill how fast was the ball rolling?

0.28 m/s

400

If an object is traveling at a speed of 35 m/s and it travels for 15 seconds what is the distance the object traveled? 

What is 525 meters? 

500

If an object travels 200 meters to the right in 4 seconds and then another 100 meters to the right in 10 seconds what is the average speed of the object? 

What is 21.43 m/s? 

Vector vs. Scalar

100

Distance is an example of...

What is scalar? 

200

Time is an example of what? 

What is Scalar? 

300

A vector has both...

What is direction and magnitude? 

400

Acceleration is an example of...

What is vector? 

500

What is the difference between vector and scalar? 

What is direction? 

SI Units

100

What are the units for distance and proper abbreviation? 

What is Meters (m) 

200

What are the units for time and abbreviation? 

What is seconds (s)

300

What are the units for speed and the abbreviation?

What are meters per second (m/s)? 

400

What are the units for acceleration and the abbreviation?

What is meters per second squared (m/s²)? 

500

What does SI units stand for? 

What is the International system of units?

Kinematic Equations

100

We us this kinematic equation when we don't know time. 

What is 

v_f² = v_i² + 2aΔx ? 

200

We use this equation when we don't have acceleration? 

What is 

Δx= ½ (v_i + v_f)t ?

300

We use this equation when we don't have final velocity.

What is 

Δx = v_it + ½ a t² ?

400

This equation is also known as...

v_f² = v_i² + 2aΔx

What is the squared equation? 

500

This kinematic equation is what definition rearranged...

v_f=v_i+at

What is definition of acceleration? 

a = (v_f-v_i) / t

Graphs

100

A horizontal line on a position vs. time graph indicates....

What is a moment of rest? 

200

On a position vs. time graph the slope represents....

What is Velocity? 

300

On a velocity vs time graph the slope represents... 

What is acceleration? 

400

A horizontal line on a velocity vs. time graph indicates...

What is moving at a constant speed? 

500

On a velocity vs time graph when the slope goes from positive to negative indicates that...

What is the object has turned around?