The diameter of a Basketball is about 9.5 inches. Find the volume of air inside
it in cubic centimeters .Neglect the thickness of the ball.(Note:1in=2.54cm)
Step 1. Let D=diameter of basketball, then radius r is D/2 or r=4.75 inches
Step 2. Volume of Sphere is
Step 3.
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To find the volume of a sphere (ball) in cubic feet, you can use the formula V = (4/3)πr^3, where r is the radius of the ball. First, measure the radius of the ball in feet. Then, plug this value into the formula to calculate the volume in cubic feet.
This only works with a spherical ball, not with, for example, a football.
You'll probably need a calculator.
-- Measure the diameter of the ball ... the fattest part ... in inches.
-- Take half of the diameter; that's the "radius" of the ball.
-- Calculate the "cube" of the radius. That's (radius) times (radius) times (radius).
-- Multiply that answer by 4.1888 .
-- The answer is the volume of the ball, in cubic inches.
-- If you want it in cubic feet, divide the cubic inches by 1,728.
The number you wind up with is the volume of the entire ball, including the skin, so it's a little more than the volume of the air inside. Here are a few benchmarks, just to make sure the answer you get in the "ball" park: 6-inch diameter sphere = 113 cubic inches = 0.065 cubic foot
1-ft diameter sphere = 905 cubic inches = 0.524 cubic foot 2-ft diameter sphere = 7,238 cubic inches = 4.189 cubic feet ======================================== Math :-(
Volume of a sphere with radius ' R ' = 4/3 pi R3 .
4/3 pi = 4.1888 (rounded)
1 cubic foot = 1,728 cubic inches
i have know idea how to find it and i have to for a stupid science project please help!
diameter = 9.3 to 9.5 inches ( 23.622 - 24.130 cms)
Sphere volume = 4/3 * pi * r3
volume = 6911.58 to 7356.49 cubic centimetres
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