I really need help with physics!

Question

Eight million (8,000,000) kg of water are at the verge of dropping over Niagara Falls to the rocks 50.0 meters below. What is the change in gravitational potential energy as the water splashes on the rocks below?

Answer 1

No...he is asking for CHANGE IN gravitational potential energy

so that would be (g * height)

9.8N/kg * 50 m = THE ANSWER

Answer 2

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