Equations
LOL Diagram
Calculation
100
The Conservation of Energy says that Energy cannot be ___________ or ____________.
What is created/destroyed?
100
Initial: A ball at the max height
PE
No KE
No Eth
100
PE initial =100 J KE initial= 200 J
The initial total energy =
What is 300 J?
200
The equation for potential energy
What is PE=mgh?
200
Final: A ball right before it hits the ground (ignore the gap). No Air Reistiance
No PE
KE
No Eth
200
A ball is at a height of 5 meters and has a mass of 2 kg. The PE is
What is 100 J?
300
The equation for Kinetic Energy
What is KE=1/2*m*v2
300
Initial: A ball on the ground (Ignore the Tee). The golf club is outside the system.
NO PE
NO KE
NO Eth
300
A ball is moving at 4 m/s and has a mass of 6 kg. The KE=
What is 48 J?
400
The equation for total energy?
What is Etot= KE + PE + Eth?
400
If the person is outside the system, what happens to the total energy when they hit the ball?
What is Work?
What is change the total energy of the ball?
400
A spring launches a 2 kg ball with 400 J of energy. The ball is moving at 10 m/s and is at a height of 5 meters. The energy lost due to thermal friction is
What is 200 J?
500
The equation for Work
What is W = Change in Total Energy (Efinal -Einitial)
500
This goes in the O of the LOL
What is "What is in the system?"
500
A 4 kg ball has 1000 J of PE. What is its height?
What is 25 meters?