Work
The change in an object’s kinetic energy
Impulse
A change in momentum or rather a force applied over a time
Potential Energy
Stored energy, regardless of how it is stored (electrically, chemically, etc.)
Formula: PE= mgh
Kinetic Energy
The energy of an object’s external motion.
Formula: KE= 1/2 (mv^2)
Examples:
What is the kinetic energy of a 1500 kg car that has a speed of 10 m/s?
75,000 J
What is the potential energy of an 40 kg person at the top of 120 m tower on Earth?
47,040 J
Physics 110-110A 