A body travels a distance of 500 m in 10 minute. Find out the speed of the body in km ` h^(-1)` .

Explanation

Speed = `("distance")/("time") = (500/(10 xx 60)) m s^(-1)`
` (( 500 xx 18)/(10 xx 60 xx 5)) km h^(-1) = 3 km h^(-1)`