Question 1186506
F, the force
a, the sail area
v, the wind velocity
k, variation constant


First sentence is  {{{F=kav^2}}}


The second sentence lets you get the value for k.


{{{k=45/(50*15^2)}}}

{{{k=0.004}}}


The formula becomes {{{F=0.004*a*v^2}}}

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