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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

Respuesta :

AL2006
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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