Thursday

August 21, 2014

August 21, 2014

Posted by **jen** on Friday, March 28, 2008 at 3:43pm.

Thanks.

- word problem -
**Damon**, Friday, March 28, 2008 at 6:54pmthe plane is traveling South with the wind at 37 miles per hour

It is flying North in the air at 450 cos 60 = 225

so its speed North = 225 - 37 = 188

its speed East is 450 sin 60 = 389

so

total speed = sqrt(188^2 + 389^2)

=sqrt (186665)

= 432 mph

tan angle east of north = 389/188 = 2.07

angle = 64.2 = 64 degrees

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