The equation for the volume of a cylinder is V = pi*r2*h. If you put the two hemispheres together, you have a sphere whose volume is V = (4/3)*pi*r3.
So, V = (4/3)*pi*r3 + pi*r2*h = pi*r2*(4r/3 + h)
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The volume of a cylinder with hemispherical ends can be calculated by adding the volumes of the cylinder and the two hemispheres together. The formula is V = πr^2h + 2/3πr^3, where r is the radius of the cylinder and h is the height of the cylinder.
The increase in volume of the water when the cylinder is added is equal to the volume of the cylinder. So, the volume of the cylinder is 21.4 mL - 15 mL = 6.4 mL. Since the metal cylinder is immersed in water, the volume of the metal cylinder is 6.4 mL.
- if the cylinder is sealed by welding, the same volume- if the cylinder is open - any initial gas
The volume of a gas in a cylinder depends on the pressure and temperature. Without that information, it is not possible to determine the volume of the nitrous oxide in the cylinder.
The first thing you have to determine when using a graduated cylinder is the volume of liquid it can hold and the smallest volume increment it can measure. This helps ensure that you are using the appropriate graduated cylinder for your measurements and that you are able to read the volume accurately.
The volume of a Pepsi can can be found by using the formula for the volume of a cylinder, which is πr^2h, where r is the radius of the base of the can and h is the height of the can. Measure the dimensions of the can, and plug them into the formula to calculate the volume.