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Question1

Consider a cylindrical segment of a blood vessel 1.7 cm long and 2.4 mm in diameter. What extra outward force would such a vessel need to withstand in person's feet compared to a similar vessel in her head?

Question2

Your neighbour’s pesky kid insists on throwing 25 g rocks at your new 2.25 kg light fixture hanging by a 26.0 cm wire from the ceiling of your porch. If each rock strikes the fixture travelling at 10.0 m/s horizontally and rebounds at 2.0 m/s backwards, how high above the lowest point does the impact make your light fixture swing?

Question3

A thin oil slick floats on water. As a beam of white light strikes this film at normal incidence from air, the only enhanced reflected colours are red (650) and violet (390). From this information, deduce the (least) thickness of the oil slick.

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  • Reference No.:- M9134492

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