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Posted by on Tuesday, February 14, 2012 at 6:23am.

4. At time t, t>0, the volume of a sphere is increasing at a rate proportional to the reciprocal of its radius. At t = 0, the radius of the sphere is 1 and at t = 15 the radius is 2.
a. Find the radius of the sphere as a function of t.
b. At what time t will the volume of the sphere be 17 times its volume at t = 0?

  • Calculus - , Thursday, April 26, 2012 at 2:50pm


  • Calculus - , Thursday, April 26, 2012 at 2:51pm

    its your moma

  • Calculus - , Tuesday, March 25, 2014 at 2:13am

    recall that the voulme of a sphare of radius r is v(r)=(4pir^3)/3. find l, ther linearisation of v(r) at r=50. A sphare of radius 50 centimeters is covered with a layer of point of thickness 0.31 millimeters. use the linearisation of v at r=50 to estimate the volume of point that's used.

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