Question

a body of mass 4 kg is taken from height of 5m to a height 10 M find the increase in potential energy

Answer 1

Original p.e=mgh=4x5x10=200 J

New p.e=mgh=4x10x10=400 J

Therefore,

change or increase is new p.e -original p.e which is 200J

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Answer 2

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
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➧ Potential energy = mgh
➧ m = 4kg
➧ g = 10 m/s²

➧ Initial potential energy
➾ m g 5

➧ Final potential energy
➾ m g 10

➧ Change =
Final potential energy - Initial Potential
Energy

➾ mg 10 - mg 5
➾ mg (10 -5)
➾ 5 x m x g
➾ 5 x 4 x 10
➾ 200 J ...✔

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