Answer to Question #88218 in Mechanics | Relativity for Amoo Emmanuel

Mechanics | Relativity

Question #88218

An athlete runs 100m in 12s. What is his speed in km/hr?

Expert's answer

"S=100m=\\frac{100}{1000}=0.1km""t=12s=\\frac{12}{3600} h"

"v=\\frac{S}{t}=\\frac{0.1\\times3600}{12}=30 \\frac{km}{h}"

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