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06-05-2016
Physics

Answered

a piano of mass 852 kg is lifted to height of 3.5m how much gravitational potential energy is added to the piano acceleration due to the gravity is g=9.8 m/s2

Verified Answer :

06-05-2016

Gravitational potential energy added =

   (mass) x (gravity) x (distance lifted)

   = (852 kg) x (9.8 m/s²) x (3.5 m)

   = (852 x 9.8 x 3.5) kg-m²/s²

   = 29,223.6 joules

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