Physics 2 - Kinetic Energy
- Created by: Sash
- Created on: 21-05-13 13:07
Fullscreen
Kinetic Energy
Anything that's moving is kinetic energy.
KINETIC ENERGY = 1/2 X MASS X SPEED (VELOCITY) SQUARED
KE = 1/2MV2
Example: A car of mass 2450 kg is travelling at 38m/s. Calculate its kinetic energy.
Answer: KE = 1/2mv2 = 1/2 x 2450 x 38squared = 1,768,900 J
Example: A 500g mass travels 20 metres in 5 seconds. What is its kinetic energy
First covert 500g into kilograms - 500g = 0.5kg
Next…
Comments
No comments have yet been made