Energy Resources and Transfers Flashcards
1
Q
Resolution
A
The smallest scale division of a device
2
Q
Law of Conservation
A
Energy can be transferred from one form to another, but it cannot be created or destroyed
3
Q
Speed
Equation
A
Distance/ Time
V=S/T
4
Q
Efficiency
Equation
A
- Useful work done/ energy input
- Useful energy input/ energy input
5
Q
Power
Equation
A
- Work done/ time taken
(P=W/T) - Energy transferred/ time taken
(P=E/T)
6
Q
Specific Heat Capacity
A
The amount of energy needed to raise the temperature of 1kg of a material by 1 degree Celsius
7
Q
Specific Heat Capacity
Energy=
A
Energy=mass x specific heat capacity x change in temperature
8
Q
Speed of light
A
3000 m/s
9
Q
Speed of sound
A
330m/s
10
Q
Renewable energy resources
List
A
- Nuclear fuel
- Biofuel
- Wind
- Hydro-electric
- Geothermal
- Tidal
- Solar
11
Q
Non-renewable energy sources
List
A
- Coal
- Gas
- Oil
- Nuclear fuel
12
Q
Renewable energy sources
Definition
A
A renewable energy source is one that can eb replenished during use or that is being replenished
