An athlete completes one round of a circular trac200 m in 40 s. What w

1.	An athlete completes one round of a circular trac200 m in 40 s. What will be thedisplacement at the end of 2 minutes 20 s?distance covered and the
Answer» Speed =distancetimedistancetime Distance = circumference of the track. Distance =200∙π200•π Speed =200∙π40200•π40 Speed =5π5π time = 2 min 20s = 140s distance = 1405π distance = 700π ∴distance=700π

An athlete completes one round of a circular trac200 m in 40 s. What will be thedisplacement at the end of 2 minutes 20 s?distance covered and the

Answer»

Speed =distancetimedistancetime

Distance = circumference of the track.

Distance =200∙π200•π

Speed =200∙π40200•π40

Speed =5π5π

time = 2 min 20s = 140s

distance = 140*5*π

distance = 700π

∴distance=700π