Question

5) An object 9.0 m off the ground has 86 J of

Answer 1

Answer:

Correct answer: Ep₁ = 105.11 J

Explanation:

if we take as the zero reference point the bottom of the hole then the height difference is 11 m. Let named h₁ = 11 m

The formula for calculating potential energy is:

E p = m g h  => mg · 9.0 m = 86 J  => mg = 86/9

when we substitute this into the next formula we get

m g h₁ = 86/9 · 11 = 105.11 J

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