Question1drop solid sphere of aluminium into a bucket of

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Question1

Drop solid sphere of aluminium into a bucket of water sitting on ground. The buoyant force equals weight of water displaced that is less than the weight of the sphere, so it sinks to the bottom. If you take a bucket with you on an elevator that accelerates upward, the apparent weight of the water increases and buoyant force on the sphere increases, too. Can acceleration of the elevator be great enough to make a sphere pop up out of the bucket of water? Give details!

Question2

The vitreous humor, a transparent, gelatinous fluid that fills most of the eyeball, has an index of refraction of 1.34. Visible light ranges in wavelength from 380 nm (violet) to 750 nm (red), as measured in air. This light travels throughout teh vitreous humor and stikes the rods and comnes at the surface of the retina. What are ranges of (a) wavelength, (b) frequency, and (c) speed of light just as it approaches the retina within the vitreous humor?

Reference no: EM13349672

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