Question

an athlete runs 200 m in 20 sec find its speed in km/hr​

Answer 1

Answer:

36 km/hr

Step-by-step explanation:

Given,

Distance: 200m

Time: 20 sec

Speed=?

∴$Speed$= $\frac{Distance}{Time}$

= $\frac{200}{20} m/s$.

= $\frac{200}{20} X\frac{18}{5}$ { $1 m/s= \frac{18}{5} km/hr$}

=36 km/hr

Hopes it Helps You!!!

Answer 2

A᭄nswer: 36km/h

========================>

Step-by-step explanation:

Given:

An athlete runs 200 m in 20 sec.

To find:

its speed in km/hr

Solution:

$we \: know \: that \: speed = \frac{distance}{time} \\ = > \frac{200}{20} ms \\ = > \frac{200}{20} \times \frac{18}{5} \\ = > 36 \: kmh$