**Answer:**

0.556m

**Explanation:**

unit conversion

58.2 cm = 0.582 m -> the outer radius is 0.582/2 = 0.291 m

Let r be the inner diameter we can find the volume of the hollow part of the sphere using the following formula

The volume of the iron shell is the volume of the whole sphere subtracted by volume of the hollow part

Let water density , then the buoyant force is the weight of water displaced by the shell

For the shell to almost completely submerged in water, its buoyant force equal to the weight of the shell

So the inner diameter is 0.278*2 = 0.556 m

Answer: The answer is A

Explanation: There is a strong relationship between them because if you get more sleep then you will have more energy and focus more on the exam.

The** superposition **principle is responsible for alternating light and dark bands when light passes through two or more narrow **slits**.

The intensity pattern that appears on the lit screen is determined by the **superposition** principle. When the difference in pathways from the two **slits **to a location on the screen equals an integral number of wavelengths (0,λ,2λ ,...), constructive interference takes place.

The fact that the two waves' crests follow different paths ensures that they do. A distinctive pattern of brilliant and dark fringes is seen when monochromatic light illuminates a distant screen after passing through two small openings. The **superposition** of overlapping light waves coming from the two** slits** results in this interference pattern.

Learn more about **superposition **principle here;

brainly.com/question/2699638

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