Question

  1. Speed is 72 km/h. Convert km/h to m/s.

Ans.:

Answer 1

$1km = 1000m$

$1h = 3600s$

$72\frac {km}{h}= \frac{72*1000}{3600}\frac{m}{s}= 20\frac{m}{s}$

$\text{Answer: }20\frac{m}{s}$