An athlete covers 1500 m in 4 mins .calculate his speed in m/s and km/h
we know ,
speed=distance/time
speed(m/s)=1500/4×60=6.25m/s
speed in (km/hr)= 1500×60÷1000×4=22.5 km/hr
speed=distance/time
speed(m/s)=1500/4×60=6.25m/s
speed in (km/hr)= 1500×60÷1000×4=22.5 km/hr