Quantities that vary directly with one and the other
100
True or false: Energy is created when I start pumping my legs on the swing on the playground.
False
100
If the mass = 7kg and the velocity = 10m/s, what is the kinetic energy?
350J
200
Is there more potential energy at the top of a roller coaster hill or the bottom?
the top
200
What unit do we use to represent kinetic energy?
J or Joules
200
What is relative position?
The point two objects are in compared to each other
200
Can energy be destroyed?
No
200
If the mass = 14kg and the velocity = 3m/s, what is the kinetic energy?
63J
300
There are two apples in an apple tree. One on a high branch, and one on a low branch. Which one has more potential energy?
the one on the high branch
300
Is there more kinetic energy at the highest or lowest point on a roller coaster?
the lowest point
300
What is gravitational potential energy?
energy an objects possesses due to its distance from the ground
300
What happens to energy when it leaves a person?
It is transferred somewhere else.
300
If the mass = 90kg and the velocity = 15m/s, what is the kinetic energy?
10,125J
400
A ball is hit up in the air. At its highest point the ball has the _____________ amount of potential energy. Right before it hits the ground it has the _______________ amount of
potential energy.
maximum; minimum
400
What is the equation for kinetic energy?
KE=1/2MV^2
400
What is mechanical energy?
the total amount of potential and kinetic energy in a system
400
Energy cannot be created or destroyed; it can only change forms. What law is this?
Law of Conservation of Energy
400
If the Kinetic Energy is 150J and the velocity is 10m/s, what is the mass?