Question

A schoolboy covers a distance of 90 m in 15 s. Find his speed​

Answer 1

Answer:

$speed = \frac{distance \: covered}{time \: taken \: to \: cover \: the \: distance} \\ = \frac{90m}{15sec} \\ = \frac{6m}{1sec} \\ in \: \frac{km}{hr} \\ = \frac{6 }{1} \times \frac{5}{18} \\ = \frac{30}{18} \\ = \frac{15}{9} \\ = \frac{5km}{3hr}$

Explanation:

hope this will help you

Answer 2

Answer:

distance =90m

time=15s

speed=?

Explanation:

Speed = Distance/Time

let the speed be x

x=90/15

x=6m/s

Speed =6m/s=Answer