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## KE and PE notes revised .pdf

Original filename: KE and PE notes revised.pdf
Title: Notes: Energy
Author: afogler

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Notes: Energy

Objectives
• I CAN determine the differences and
similarities between potential and
kinetic energy.
• I CAN use different measurements to
find both potential and kinetic energy.
• I CAN use given measurements to find
both potential and kinetic energy.
• I CAN relate these equations to realworld situations (Would you rather).

What is energy?
Energy: how much work something can
do
 measured in Joules, J
-Energy can change forms

• Energy is always conserved so it must
be changed from one form to
another!!!

Potential  the stored energy from the
position of an object

Example:

Formula:
• Potential Energy = mgh or wh
• m = kg g = 9.8 m/s2 h = Height (meters)
w= weight

Brain Pop
• http://glencoe.mcgrawhill.com/sites/dl/free/0078600472/1603
50/00035807.html

• Kinetic  energy of a moving object
due to its motion