Question

if I sprinted runs a distance of 100m in 9.83s . calculate his average speed in km/h

Answer 1

now distance is 100m which means 0.1km

time is 9.83s=

$\frac{9.83}{3600} hr$

now avg speed is =

$\frac{.1 \times 3600}{9.83}$

so correct answer is 36.66km/hr

Answer 2

I don't know this answer