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asked in Science & MathematicsMathematics · 8 months ago

Calculus 1, parametric equations?

The motion of a point on a bicycle wheel is described by the parametric equations below. A and B are positive constants. Time is measured in seconds and distance in meters (its a big wheel). 

 

x(t) = At + cos(2t)  

y(t) = B−sin(2t) 

 

a. How long does it take for the wheel to make one revolution?  

b. Use the fact that the y coordinate of the point is zero when it is at the bottom of the wheel to find the constant B.

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2 Answers

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  • Bryce
    Lv 7
    8 months ago
    Favorite Answer

    a. π

    b. B= 1              

  • ted s
    Lv 7
    8 months ago

    Really ?? , y takes the same value ever π seconds

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