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    				| 1. | An athlete covers 1600 meter in 4 minutes. Calculate his speed in m/s km/hr. | 
| Answer» TION:An athlete covers 1500M in 4mins calculate his speed in m/s and km/h ... in metre per SECOND is 6.25m/s and in km per HOURS is 1.7km/h ... speed in (km/hr)= 1500×60÷1000×4=22.5 km/hr. | |