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Answer:
v=68[m/s]
Explanation:
To solve this problem we have to use the law of energy conservation, which tells us that potential energy is converted into kinetic energy.
[tex]E_{pot}=E_{kin}[/tex]
[tex]E_{pot}=m*g*h[/tex]
[tex]E_{kin}=0.5*m*v^{2}[/tex]
where:
m = mass [kg]
g = gravity acceleration = 9.81 [m/s²]
h = elevation = 236 [m]
v = velocity [m/s]
[tex]m*9.81*236=0.5*m*v^{2}\\2315.16 = 0.5*v^{2}\\v=\sqrt{4630.32} \\v=68[m/s][/tex]