Equations
Vocabulary
Units
Problem
100

What is the equation for average velocity?

What is sum of velocities / 2

v0 + v / 2

100

What is average velocity?

What is change in position over a time interval.

100
What are the units for velocity?
What is meters per second (m/s).
100
A car is traveling a velocity of 10m/s. If the car accelerates at a rate of 3m/s^2, what will be the velocity of the car after 5s.
What is 25m/s.
200

What is the equation for velocity (final) ? 

What is initial velocity + acceleration x time (vo + at)

200

What is instantaneous velocity?

What is velocity at a specific point in time (Ex. speedometer).

200
What are the units for distance?
What is meters (m).
200
A child drops a ball from a window. If the ball drops 10 meters, how long will it take to hit the ground?
What is 1.43 seconds.
300

What is the equation for final position

What is initial position + initial velocity x time + (acceleration x time^2) / 2

x0 + v0*t + a*t^2/2

300
What is the difference between distance and displacement?
What is distance is total length and displacement is a straight line distance between points compared to where you started.
300
What are the units for time?
What is seconds (s).
300
A rolling ball has an initial velocity of -1.63 m/s. If the ball accelerates at a constant rate of -0.33m/s^2, what is the velocity after 3.6 seconds?
What is 2.818m/s.
400

What is an equation you can use when you don't know time?

What is v^2 = v0^2 +2a(x-x0)

400
What are examples of scalar quantities?
What is distance, speed, temperature, and time.
400
What are the units for acceleration?
What is meters per second squared (m/s^2).
400
A dog running at 2m/s accelerates at a rate of 0.5m/s^2 for 5 seconds. (a)What is the velocity of the dog at the end of the 5 second interval? (b)How far does the dog run during this time?
What is (a) 4.5m/s (b) 16.25m
500

What is CONSTANT in all the equations you've learned so far?

What is acceleration

500
What are examples of vector quantities?
What is displacement, velocity, and acceleration.
500
What are units for displacement?
What is meters (m).
500
A toy rocket is shot straight up into the air with an initial speed of 45m/s, and falls straight back down to the ground. (a)How long is the rocket in the air? (b)How high does the rocket rise above the ground?
What is (a) 9.2s (b) 103.3m
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