119k views
2 votes
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

1 Answer

5 votes
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
User Aref Riant
by
7.7k points