Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
Stored energy...
|
Potential energy
(measured in joules) 12A |
|
Energy in motion...
|
Kinetic energy
(mesured in joules) 12A |
|
Formula for potential energy...
|
PE=mgh
m = mass g = 9.8 m/s2 (gravity) h = height 12A |
|
Formula for kinetic energy...
|
KE= 1/2 m v2
m = mass v2= velocity squared 12A |
|
The law of conservation or energy or the first law of thermodynamics...
|
Energy can be changed from form to form but can never be created or destroyed. 12A
|
|
Conservation principles govern...
|
the way energy change from one form to another. 12A
|
|
The capacity to do work...
|
energy 12A
|
|
joules units =
|
kg x m2
_______ s2 12A |
|
What are the eight types of energy?
The really short chemical engineer must make nickels. |
Thermal, radiant, sound, chemical, electrical, magnetic, mechanical, and nuclear 12B
|
|
Radiant energy travels in...
|
waves. 12B
|
|
Forms of this energy include x-rays, radio, light, and infrared rays...
|
radiant energy. 12B
|
|
Mechanical energy is in...
|
everything that moves (KE) or anything that could move (PE) 12B
|
|
Sound energy differ from light energy because...
|
they have to travel through matter. 12B
|
|
Themal energy is related to the...
|
motion of molecules in matter. 12B
|
|
Heat is the transfer of...
|
thermal energy. 12B
|
|
Photosynthesis and the energy used in growth or foods are examples of...
|
chemical energy 12B
|
|
The flow of charged particles through a conductor...
|
electrical energy 12B
|
|
This type of energy doesn't need matter for transmission...
|
magnetic 12B
|
|
Energy that comes from splitting a nucleus or fusing several small nuclei together...
|
nuclear
(discovered last) 12B |
|
Newton's quantity of motion is now called...
|
momentum 12C
|
|
formula for momentum...
|
p=mv
p=momentum m=mass v=velocity 12C |
|
Law of conversation of momentum...
|
momentum may be transferred from one object to another without a change in total momentum.
|
|
Momentum is directly proportional to the _____ of an object.
|
speed. This is why a small bullet can cause damage.
|