If a man crosses a 500 m long street in 5 minutes. What is his speed? Select.
A) 6 km/hr B) 7.1 km/hr C) 7.2 km/hr D) 8 km/hr E) 8.5 km/hr
distance = 500 meter   time = 5 minutes = 5 x 60 seconds = 300 seconds   Speed = distance/time=500/300=1.67m/s=1.67×18/5 km/hr=6 km/hr   6 km/hr
<result>A</result>
If a man crosses a 500 m long street in 5 minutes. What is his speed?