I don't know how to solve this question.urgent A one side open cylindrical drum has inner radius 28cm.and height 2.1m.How much water you can store in the drum.Express in litres.(1 litre=1000cc.)
v = pi r^2 h
= pi * 28^2 * 210
= 517231 cm^3
= 517.231 L
solve the problem
To find out how much water you can store in a cylindrical drum, you need to calculate the volume of the drum. The formula for the volume of a cylinder is given by:
Volume = π * radius^2 * height
Given:
Inner radius = 28 cm = 0.28 m (since 1 m = 100 cm)
Height = 2.1 m
Let's substitute these values into the formula:
Volume = π * (0.28)^2 * 2.1
To find the volume in liters, we need to convert the result from cubic meters to liters. Since 1 cubic meter is equal to 1000 liters, we can multiply the result by 1000.
Volume in liters = (π * (0.28)^2 * 2.1) * 1000
Now, let's calculate the volume:
Volume in liters = (3.1416 * (0.28)^2 * 2.1) * 1000
Volume in liters ≈ 164.7 liters
Therefore, you can store approximately 164.7 liters of water in the drum.