Question

plz explain its ans is
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$\sqrt{x {}^{2} + y {}^{2} }$


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Answer 1

Velocity at displacement x= w√A^2- x^2= y

velocity at displacement y= w√A^2- y^2 = x

Vx/Vy = √A^2- x^2/√A^2 - y^ 2. = y/x

A^2 - x^2)/ A^2 - y^2 = y^2 /x^2

Apply Componendo and dividendo

NOW REFER TO ATTACHMENT