Question 1205892
.


Convert miles per hour to yards per hour.


After that, apply the law of cosine formula.



Happy calculations (!)



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Notice that cosine law equation in the post by @josgarithmetic is INCORRECT.


Do not use it.


The correct form of this equation is

<pre>
    {{{(0.24x)^2+(0.17x)^2-2*0.24x*0.17x*cos(109&10/60)}}} = {{{0.0561818^2}}}.
</pre>

Use it to find the time x.