
Concept explainers
Calculate the surface area of ice cubes and state faster melting of either of them

Answer to Problem 21HP
Ice cube having half cylindrical shape will melt rapidly than rectangular ice cube.
Explanation of Solution
Given:
Calculations:
Here, we have to calculate surface area of rectangular prism and half cylindrical prism
We know that, surface area of rectangular prism is calculated as,
We know that, surface area of half cylinder is calculated as,
Where, r is the radius of cylinder h is the height of cylinder
Putting values in equation, we get
We know that, ice cubes with larger surface area melts faster. Thus, ice cube having half cylindrical shape will melt rapidly than rectangular ice cube.
Conclusion:
Therefore, we are able to calculate surface area of given ice cubes using simple formula.
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