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KarolanG
KarolanG KarolanG
  • 30-03-2016
  • Physics
Answered

A 4 kg vase sits on a shelf at a height of 1.2m. How much gravitational potential energy is added tot eh base when it is lifted to a shelf of height 1.4 m?

Verified Answer :

olemakpadu
olemakpadu olemakpadu
  • 30-03-2016

Gravitational Potential Energy = mgh

In this case the gravitational potential energy added is that as a result of the change in height.

           = mgΔh                g ≈ 9.8m/s²

           = mg(h₂ - h₁)
 
           = 49.8(1.4 - 1.2)

           = 7.84J

GPE added = 7.84J

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