Rock Niagara
Posted May 8, 2011
By admin
I really need help with physics!
Eight million (8,000,000) kg of water are on the verge of abandoning Niagara Falls 50.0 meters on the rocks below. What is the change in gravitational potential energy as water splashes on the rocks?
U = m * g * h = 8 * 10 ^ 6 * 10 * 50 = 4 * 10 ^ 9 joules joules = 4 M
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