A coal power station provides 2000 MJ of energy. 250 MJ is wasted from wires/friction and 700 MJ of electricity is produced. How much energy is wasted from the cooling towers?
1,050 MJ
What energy form used uranium
Nuclear
Calculate the efficiency of a fan that creates 320 J kinetic energy, 80 J sound and 100 J of heat.
64%
Lightning is an example of what type of energy
Electrical
Kinetic energy is affected by the _______ and ________ of an object
mass, speed
What a car's gas tank is filled it is gaining what form of energy?
Chemical
Calculate the efficiency of a TV that creates 250 J light, 350 J sound and 200 J of heat.
75%
What is the other term for motion energy?
Mechanical energy
What energy comes from the sun?
Electromagnetic, Radiant, or Solar
A spring is an example of what form of energy?
Elastic
When there is a current flowing there is _______ energy.
electrical
If you were on top of a hill what form of energy would you possess more of than if you were at the bottom of the hill?
Gravitational
A stretched bowstring is an example of what form of energy?
Elastic
The units for speed?
m/s
What energy comes from splitting atoms
Nuclear
What form of energy is found in food?
Chemical
Energy stored in the bonds of atoms and compounds
Chemical energy
Thermal energy is not good for storing energy as it is?
Continually lost to the surroundings
Your experience on this site will be improved by allowing cookies.