The swimmer is able to cut through water in a swimming pool. Why?
A man watches his friend swimming in his apartment swimming pool from the roof of the building which is 50 m high. When the swimmer was at one end, the angle of depression was 40∘. When the swimmer reaches the other end, the angle of depression changes to 65∘. The distance covered by the swimmer is
[Tan 65∘=2.14, Tan 40∘=0.83]
The swimmer is able to cut through water in a swimming pool. Why? [3 MARKS]