A
B
C
D
E
100
________ _________ is the energy of motion?
What is kinetic energy?
100
The amount of kinetic energy that an object contains depends upon two things: speed and ________.
What is mass?
100
In the kinetic energy and gravitational potential energy formulas what unit is mass measured in?
What is Kilograms (kg)?
100
Acceleration is measured in ___________?
What is m/s2?
100
What is the value of the acceleration due to gravity (g) that is used in the calculations?
9.81m/s2
200
The main difference between a scalar and a vector is that a vector also shows ___________.
What is direction?
200
An object travels a distance of 10.0 m in 4.6 s. What is the average speed of the object?
What is 2.2m/s?
200
This law states that energy can not be made or destroyed
Law of Conservation of Energy
200
The energy stored in the nucleus of an atom is known as what?
What is nuclear potential energy?
200
The rate at which work is done
Power
300
You can increase the potential energy of a bow and arrow by
pulling the arrow back
300
The formula for gravitational potential energy
mass*gravity*height
300
A volleyball, bowling ball, ping pong ball, and a marble are rolling down a slope. The ball with the greatest kinetic energy is
bowling ball
300
Another word for distance in a certain direction
displacement
300
Light travels in a straight line at a constant speed of 300,000 m/s. What is its acceleration?
0m/s
400
An object is traveling at an average speed of 8.0 m/s. How long will it take this object to travel 30.5 m?
What is 3.8s?
400
A freight elevator with a mass of 120 kg is moving with a speed of 2.50 m/s. What is it’s kinetic energy?
What is 375J?
400
What would constant speed look like on a distance v time graph?
vertical line
400
The unit of work
Joules
400
Assumption to make about energy conversion with falling objects
What is Ep=Ek?
500
Alex walks 1.4 km west from the school. Kendra walks 0.45 km east. What is the displacement from Alex to Kendra?
What is 1.85m E ?
500
The formula to find kinetic energy
500
An object has a negative acceleration, this means it is
slowing down
500
The formula for work
force*distance
500
A pendulum converts this type of energy into another type of energy
What is gravitational potential into kinetic and back and forth?