dec 16 kinetic and potential energy ws.notebook
December 15, 2014
Kinetic and Potential Energy
Do Now: What type of energy does a book sitting on a shelf, 3 meters above the ground, have?
gravitational potential energy
kinetic
KE = mv2 KE = 2.1(302)
2
2
945 J
dec 16 kinetic and potential energy ws.notebook
December 15, 2014
potential
GPE = mgh
2469.6 J
GPE = 12(9.8)21
kinetic
KE = mv2
2
KE = 1120(402)
2
896,000J
mass
potential
GPE = mgh
GPE = 79(9.8)20
15,484J
kg
dec 16 kinetic and potential energy ws.notebook
December 15, 2014
's mass
kg
potential
83,790J
GPE = mgh
GPE= 190(9.8)45
PE = 129(9.8)45
potential
mass of
kg
GPE = mgh
GPE = 966(9.8)72
681,609.6J
KE = mv2
2
KE = 3(22)
2
6J
dec 16 kinetic and potential energy ws.notebook
EXIT TICKET
KE = mv2
2
GPE = mgh
Some
"COOL"
Science!
KE = mv2
2
GPE = mgh
December 15, 2014