Units
Positive, Negative, or 0?
Acceleration and More
Problems
Random
100
Seconds are a unit for what?

time

100
What is the acceleration of an object moving at constant speed (going the same speed, no change)?
Zero acceleration
100
What is the formula for speed?
S = d/t
100
If a boy runs 100 meters in 20 seconds, what is his speed?
5 m/s
100
What is Mr. Andrew's favorite food?
CHEESBURGERS
200
Meters are a unit for what?
distance
200
Acceleration is __________ when a car is gaining speed (giong faster).
Positive
200
What is the difference between speed and velocity?
Velocity is speed but in a specific direction.
200
If a woman drives a car South for 200 km in 2 hours, what is her velocity?
100 km/h South
200
Which game does Mr. Andrew play more, Fortnite or PUBG?
PUBG, but he loves both!
300
What is a unit for speed?
common answers:


- m/s

- km/h

300
When an object is __________, then it is a negative accleration.
Slowing down
300
What two things can cause acceleration?
A change in speed or a change in direction.
300
You see a plane flying 500 km/h. 10 seconds later you see that plane flying 500 km/h. What is the plane's acceleration?

0 km/h2

300
Who is Mr. Andrew's favorite football team?
Chelsea
400
45 m/s South refers to what?
velocity
400
An object is at rest, 5 seconds later it is still at rest. The acceleration is __________.
Zero
400
A change in velocity causes what?
Acceleration.
400
A dog is standing still. He sees a cat and 5 seconds later his speed was 15 m/s. What was his acceleration?

3 m/s2

400
What pets does Mr. Andrew have at home?
1 dog and 2 cats
500

The units for acceleration is m/s2. Why is it squared?

Because time is used twice. distance is divided by time for velocity (V2 - V1) and that answer is divided by time again.

500
If the second velocity is smaller than the first velocity, then the acceleration is __________.
Negative
500

What is the formula for acceleration?

a = (V2 - V1)


500
A motorcycle is going 90 km/h. 15 seconds later he is going 30 km/h. What is his acceleration?
-4 km/h
500
How many years has Mr. Andrew lived in the UAE?
5
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