Answer on Mechanics | Relativity Question for amber
(min. kinetic energy at start) = (potential energy gain at max. height)
m*v^2 / 2 = m*g*h;
v = sqrt(2*g*h) = sqrt(2 * 9.8 m/s^2 * .25 m) = 2.214 m/s
Answer: 2.214 m/s
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