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phycis P2
chloe.nicola69
Note by chloe.nicola69, updated more than 1 year ago
chloe.nicola69
Created by chloe.nicola69 over 10 years ago
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Page 1

Work energy and momentum 

Engery transfer = work 

W=FxDWork ForceDistance

Gravitational potential depends on weight 

E=MxGxHmassgravitational fieldheight

Kenetic engery depends on mass and speed 

E=1/2xMxVmass speed

Momentum = kgm or Ns has a size and direction and is conserved.

Explosions= two objects pushing apart 

Car saftey;Seat belts increase impact timeCrumple zones slow momentumAir bags spread force

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