Posted by Kyle on Thursday, July 21, 2011 at 2:34pm.
I assume you have had some trignometry.
x component=10+10cos30 + 10cos(70+30)
go thru that and make certain you understand it. I will be happy to check your y component.
I got the x-component to be: 10+8.66+3.42 which is 22.08.
But I also have to divide that by the total time that the ant traveled, right? So that time would be 5.3?
I got 4.166 when I divided it but the correct answer it supposed to be 3.19.
I really don't know how to get that answer. Could you please check my work please?
Well, the time is right, 5.3seconds.
The problem is, what is cosine100? It is negative right?
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