An athlete takes 50s to go once around a circular path of radius 70m at a uniform pace. His speed is

7/5 m/s
5/7 m/s
88 m/s
8.8m/s

Question

An athlete takes 50s to go once around a circular path of radius
70m at a uniform pace His speed is

7/5 m/s
5/7 m/s
88 m/s
8 8m/s

Vipra Mishra · Accepted Answer

Dear Student
Speed =DistanceTimev =2πrt =2×3
14×7050 =8 8 m/s

Regards