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anonymous
 3 years ago
what is the vector function that models the behavior
anonymous
 3 years ago
what is the vector function that models the behavior

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0last two questions...cant understand

phi
 3 years ago
Best ResponseYou've already chosen the best response.1Didn't you already do this ? you have a sin t that you want to rotate faster to make it rotate twice as fast, use sin(2t) (and cos(2t) ) and keep everything else the same.

phi
 3 years ago
Best ResponseYou've already chosen the best response.1as I remember, in the first part, the hoop has a diameter of 2, and a radius of 1 for the next part, I think you want a hoop with 1/2 the diameter, so its mark hits the floor twice as often. that means its radius will be 1/2 and its diameter 1

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ok so whats the answer for d?

phi
 3 years ago
Best ResponseYou've already chosen the best response.1r=(t 0.5*sin(2t) ) i + (0.5  0.5 cos(2 t)) j

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ya i gatcyu...so how should i graph that ???

phi
 3 years ago
Best ResponseYou've already chosen the best response.1I don't know what graphing tools you have.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i know upto here but how to plot themm

phi
 3 years ago
Best ResponseYou've already chosen the best response.1see http://www.wolframalpha.com/input/?i=parametric+plot+r%3D+%5B+%28t+0.5*sin%282t%29+%29++%2C+%280.5++0.5+cos%282+t%29%29+%5D+and++r%3D+%5B+t++sin%28t%29%2C+1cos%28t%29%5D+for+t%3D0+to+6pi for the plot of the position vectors for the two hoops
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