As distance ____ (increases /decreases), velocity decreases.
Decreases
100
A car travels at uniform velocity a distance of 100 m in 4 seconds. What is the velocity?
25 m/s
100
A Porsche 911 can go from 0 to 60 m/s in 3 seconds. What is its acceleration?
20 m/s2
200
What is velocity?
The distance traveled over a period of time.
200
What are the units for acceleration?
m/s2
200
As time increases, velocity _______ (increases / decreases).
Decreases
200
You walk a distance of 10 m in 1 s. What is your velocity during this time?
10 m/s
200
An object falls from a desk. It’s speed increases from 0 m/s to 20 m/s in 2 s. What is the magnitude and direction of the object’s acceleration?
10 m/s2
300
What is mass?
The amount of matter in an object.
300
What are grams used for?
Mass
300
What kind of slope does an inverse relationship have?
**must include drawn example**
A negative slope
300
The world record for the men's marathon is 2h. If the distance is 42 km, what is the average velocity during the run?
21 km/h
300
You are in a car going 75 m/s when a deer runs out in front of you! You slammed on the brakes to avoid hitting the deer. It took 5 seconds to slow to 50 m/s. What was your acceleration?
-5 m/s2
400
What is magnitude?
The size of a measurement
400
What is the equation for velocity?
Distance / Time
400
What kind of slope does a direct relationship have?
**must include drawn example**
A positive slope
400
Tamara rode her bike for 300 seconds over a distance of 600 meters. What is her velocity during this time?
2 m/s
400
If you are riding your bike and hit a curb, you would stop suddenly. Let's say that you were going 30 m/s when you hit the curb and it took you only 2 seconds to stop after hitting the curb. What was your acceleration?
-15 m/s2
500
What is gravity?
The acceleration of an object when it falls toward the center of the earth
500
What is the equation for acceleration?
(Vfinal - Vinitial) / Time
500
What is the relationship between mass and acceleration?
There is no relationship because acceleration does not depend on mass.
500
***DOUBLE POINTS***
Simon runs a distance of 1000 m every day. On Monday, he completed his run in 80 seconds. On Tuesday, he completed his run in 100 seconds. What is his velocity both days?
Monday: 12.5 m/s
Tuesday: 10 m/s
500
Two objects, one big and one small, fall from the same height. Their speed increases from 0 m/s to 20 m/s in 2s. At what acceleration is gravity pulling them?