Answer to Question #267457 in Physics for Glady_07

Question

How long does it reach for a particle to reach a distance of 100 km If its average velocity is 100 m/s

Answer 1

$$t=\dfrac{d}{v}=\dfrac{10^5\ m}{100\ \dfrac{m}{s}}=1000\ s\times\dfrac{1\ h}{3600\ s}=0.28\ h.$$