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Mindy is a sculptor. She has a cylinder of stone with a radius of 3 meters 
(m) and a height of 2m. She needs to carve out a sphere of radius 1m from the cylinder. Mindy must cut away (v)/(3)pi cubic meters (m^(3)) of stone from the cylinder in order to be left with the sphere. What is the value of v?

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Mindy is a sculptor. She has a cylinder of stone with a radius of 3m3\,\text{m} and a height of 2m2\,\text{m}. She needs to carve out a sphere of radius 1m1\,\text{m} from the cylinder. Mindy must cut away v3πm3\frac{v}{3}\pi\,\text{m}^{3} of stone from the cylinder in order to be left with the sphere. What is the value of vv?\newline

Full solution

Q. Mindy is a sculptor. She has a cylinder of stone with a radius of 3m3\,\text{m} and a height of 2m2\,\text{m}. She needs to carve out a sphere of radius 1m1\,\text{m} from the cylinder. Mindy must cut away v3πm3\frac{v}{3}\pi\,\text{m}^{3} of stone from the cylinder in order to be left with the sphere. What is the value of vv?\newline
  1. Calculate Volume Formula: To find the value of vv, we need to calculate the volume of the sphere that Mindy wants to carve out. The formula for the volume of a sphere is V=43πr3V = \frac{4}{3}\pi r^3, where rr is the radius of the sphere.
  2. Determine Sphere Radius: Mindy's sphere has a radius of 1m1\,\text{m}. Plugging this value into the formula for the volume of a sphere, we get V=(43)π(1m)3V = \left(\frac{4}{3}\right)\pi(1\,\text{m})^3.
  3. Calculate Volume: Calculating the volume, we have V=(43)π(1)3=(43)πV = \left(\frac{4}{3}\right)\pi(1)^3 = \left(\frac{4}{3}\right)\pi cubic meters.
  4. Find Stone Volume: Since Mindy is carving out a sphere from the cylinder, the volume of the stone she needs to cut away is equal to the volume of the sphere. Therefore, v=43πv = \frac{4}{3}\pi.