A Hemisphere-Shaped Dome of Radius 70 Ft Is to Be

question 69

Multiple Choice

A hemisphere-shaped dome of radius 70 ft is to be coated with a layer of rust-proofer before painting. Use differentials to estimate the amount of rust-proofer needed if the coat is to be 0.03 in. thick. ​
Hint: The volume of a hemisphere of radius r is

• A) 76.97 ft3
• B) 76.54 ft3
• C) 77.54 ft3
• D) 76.78 ft3

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Definitions:

Eye Contact

The act of looking directly into another person's eyes, which can convey emotions, intentions, and social cues.

Facial Expressions

Visible changes in the face that express a person's emotions, intentions, or social signals, often studied in psychology and neuroscience.

Visual Stimuli

Objects or conditions within the environment that can be seen and thus influence a person's behavior or cognitive processes.

Newborn Baby

An infant in the initial period after birth, often considered to be the first four weeks of life, characterized by rapid physical and neurological development.