Given that Y = K sin(x/70), Volume = 200,000, Height of X = 35mm with its base at x = 0.

Find the value of K.

Any help is appreciated, not sure on what equation to input this, my suggestion would be V = Integral(Pi*Y^2)

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- Mar 1st 2013, 09:28 AMUnknownstarzsolid of revolution
Given that Y = K sin(x/70), Volume = 200,000, Height of X = 35mm with its base at x = 0.

Find the value of K.

Any help is appreciated, not sure on what equation to input this, my suggestion would be V = Integral(Pi*Y^2) - Mar 1st 2013, 09:52 AMMINOANMANRe: solid of revolution
Unknownstarz

if the volume is generated by rotating the curve about the x-axis then yes you integrate πk[(sin(x/70)]^2dx using the limits of integration you specify

then equate this to 200000 and find k .It is easy.

Minoas