educkenEracano educkenEracano
  • 06-04-2017
  • Physics
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What is the gain of potential energy of the barbell when it is lifted to this height?

Respuesta :

collincross collincross
  • 07-04-2017
w=mass X gravity 

since the weight is computed 
mass=w / gravity 
so 
mass=1100 / 9.81 
MASS=112.1304KG 

PE=MGH 
=112.1304 x 9.81 x 2.2 
PE=2420 JOULE 
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