Energy 1
Energy 2
Calculating Speed
Speed Graphs
Random
100
What is the energy of motion
Kinetic Energy
100
What is the Energy of Position
Potential Energy
100
What is the formula for Speed?
Speed = distance/time
100
What does the x -axis represent?
Time.
100
What is the formula used to calculate Speed?
S = d/t
200
If you are standing in one position, what kind of energy are you displaying most?
Potential Energy
200
If a ball is rolling down a hill what kind of energy is it displaying?
Kinetic Energy
200
What does Mph stand for?
Miles per hour
200
Distance is represented by which axis?
The y-axis.
200
Provide an example of potential energy?
The object is not moving and is in one position.
300
What is the name of the Law that states energy must be constant in a system?
The Law of Conservation of Energy
300
Energy can not be _________ or _________
Created or Destroyed
300
If a polar bear is chasing it's prey on a glacier and covers 120 m in 30 s, what is the polar bear's speed?
4 m/s or 4 meters per second
300
If the line on a speed graph is completely horizontal what kind of motion is it depicting?
The object has stopped moving.
300
If a line on a speed graph is perfectly diagonal, what kind of motion is it depicting?
The object is moving at a constant speed.
400
The amount of kinetic energy an object has is determined by
Mass and Speed
400
Mass and Speed determine
Amount of Kinetic Speed an object has
400
A student was late to class and could not get another tardy slip. The student decided to run (don't do this at Northwestern) in the hall and covered 50 feet in 10 seconds. What is the students speed?
5 ft/s (also, the student ended up tripping because he was running).
400
If the line on a speed graph is pointing upward, what kind of motion is it depicting?
The object is moving further away from a specific point.
400
A hummingbird can fly 90 feet in 30 seconds. What is the speed of the hummingbird?
3 ft/s or 3 feet per second
500
Energy is measure in what unit
Joules
500
If a roller coaster is at the top of a hill, what kind of energy does it mostly have
Potential Energy
500
A train moved 900 miles in 15 hours. What is the speed of the train?
60 Miles/Hour
500
If the line on a speed graph is curved, what kind of motion is it depicting?
The object is moving at a changing speed.
500
Lebron James can run 40 yards in 8 seconds. What is the speed of Lebron?
5 yd/s or 5 yards per second.
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