

Speed Velocity Acceleration Constant Acceleration Free Fall Forces and Newton's Law Kinetic Energy Potential Energy Free Fall Forces Conservation of Energy Conservation of Momentum PHYSICS LINKS Thinkquest Physics LibraryPhysics Zone Multimedia Physics Studio 
Kinetic Energy The term kinetic energy defines the energy of motion. An object
which is in motion is said to have kinetic energy. If an object is not
in motion it does not have kinetic energy. The following formula is
used to calculate kinetic energy:
Problem: Running Man
Solution: Step 1:
Step 2: Plug the data into the given formula: Answer: The man's kinetic energy is 440 J.
Problem:
Car traveling on a road
Solution: Step 1: In this problem we are given the following: m = 300 kg Step 2: Plug the data into the formula and solve the problem: In order to solve for the speed we need to take the square root of
(3.3 m^{2}/s^{2}) Answer: The speed of the car is 1.82 m/s.
Problem: Solution: Step 1: In this problem we are given the following: v = 20 m/s Step 2: Plug the data into the formula: In order to find the mass we need to divide both parts of the equation
by 7200. Answer: The mass of an object is 50 kg. 