Show:
Calculations
PE and KE
CCR
Energy Conversion
Work and Power
100
A 20 kg cart is moving at 2 m/s. What is it's kinetic energy?
What is 40J?
100
1/2 mv2
What is the formula for KE?
100
These are the three types of energy transfer.
What is conduction, convection, radiation?
100
According to this law, the total amount of energy in the universe remains constant.
What is the Law of Conservation of Energy?
100
P = mv
What is the formula for momentum?
200
A 500 motorcycle is moving at 10 m/s. What is it's kinetic energy?
What is 25 000J?
200
An increase in velocity increases this type of energy.
What is kinetic?
200
A material that reduces the flow of energy by conduction, convection and radiation.
What is an insulator?
200
The process by which an engine burns fuel is called this.
What is combustion?
200
If you are holding a book over your head and then lower it to the floor, then this is performed.
What is work?
300
A 300 kg man is skateboarding on a 10 kg board at 5 m/s. What is the kintetic energy of the man and the board?
What is 3875J?
300
w x 9.8 x h
What is the formula for GPE?
300
If you chose between air and a metal, this would be the better insulator.
What is air?
300
An engine that converts thermal energy into mechanical energy is this type of engine.
What is a heat engine?
300
This is what the rate at which work is done is called.
What is power.
400
A 60 kg girl is sitting at the top of the bleachers which are 15 m high. What is her gravitational potential energy?
What is 8820J?
400
This is the SI unit for energy.
What is Joule?
400
Energy from the sun travels to the Earth via this form of energy transfer.
What is radiation?
400
In a nuclear fusion reaction, mass is transformed into this.
What is energy?
400
A 5 kg wagon has a speed of 2 m/s. What is it's momentum?
What is 10kgxm/s
500
A 2.5kg baby is sitting in a crib that is 0.75 m off the ground. What is the babies GPE?
What is 18.375 J?
500
If the velocity of an object is doubled, this is what happens to it's kinetic energy.
What is doubles?
500
This is the only form of energy transfer that does not require matter.
What is radiation?
500
If an objects speed doubles, this is what happens to it's potential energy.
What is nothing?
500
A 5 kg cart is holding a 10 kg bag of soil and is being pushed at 5 m/s. What is it's momentum?
What is 75 kgxm/s?