Question

A Swimmer completes one round of a swimming pool which is circular in shape of diameter 400m in 80s.The distance covered at the end of 280 seconds is -​

Answer 1

Answer:

An athlete completes 1 round in 80s

Thus, rounds completed in 4 min & 40s will be

Distance covered =

400×280/80

=112000/80

=1400

i.e 3 rounds & half

Therefore distance covered =1400m

&

Displacement is the shortest distance from starting point.

He has completed 3 & half round thus, he is only 200m away from starting point.

Therefore,

Displacement =200m

Explanation:

Answer 2

Answer:

ans is 200 m

Explanation:

hope it helps