Answer to Question #159058 in Physics for lisette

Question #159058

Super Mario is standing on a 4.0 m tall mushroom. When he jumps off of it, what will his velocity be right as he is about to hit the ground?

Expert's answer

"KE=PE,""mgh=\\dfrac{1}{2}mv^2,""v=\\sqrt{2gh}=\\sqrt{2\\cdot9.8\\ \\dfrac{m}{s^2}\\cdot4.0\\ m}=8.85\\ \\dfrac{m}{s}."

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