Question

Find speed in the following cases distance 390m time 4 minutes

Answer 1

Distance = 390meters

Time = 4minutes = 4×60seconds = 240seconds

$speed = \frac{distance}{time} \\ speed = \frac{390}{240} = \frac{13}{8} = 1.625$

Hence, speed is $1.625 {ms}^{ - 1}$