Answer to Question #94590 in Molecular Physics | Thermodynamics for Moses Bright

Question

A swimmer float in a still water to a distance of 5 kilometer on getting to the bank of the river the waves moves to the left hand side to a distance of12 kilometer

Answer 1

According to Pythagoras Theorem we get,

$v= \sqrt { 5^2 + 12^2 } =13$

Answer

13