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facarhsariskymphy facarhsariskymphy
  • 17-01-2017
  • Physics
Answered

. A 4 kilogram cat is resting on top of a bookshelf that is 2 meters high. what is the cat's gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8 m/s2?

A6 j
B8 j
C20 j
D78

Verified Answer :

hassanshahzaib8
hassanshahzaib8 hassanshahzaib8
  • 17-01-2017

Potential Energy = Mass x Gravitational pull x Height

which is,

Ep = 4 x 9.8 x 2 
Ep = 78 J

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