quiz1a - Quiz 1 A Name MULTIPLE CHOICE Choose the one...

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Quiz 1 A Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The density of bubble gum is about 1g per cubic cm. You blow an 8g wad of gum into a bubble with a 10cm diameter. What is the thickness of the bubble's skin? A) 0.01mm B) 0.1mm C) 0.2mm D) 0.5mm E) 1.0mm 1) 2) In 1996, Josia Thugwame from South Africa won the Olympic Marathon, completing the 26 miles and 385 yard course in 2h 12min and 36s. What was his average speed? 2) 3) A jetliner leaves San Francisco for New York (4600 km away). With a strong tailwind it has an average speed of 1100km/h. At the same time another jetliner leaves NY for SF. Flying against the wind, it only has an average speed of 700km/h. When and where do the two planes pass each other? A) After 2.5h and 2000km away from NY B) After 2.5h and 2000km away from SF. C) After 5h and 1000km away from NY. D) After 2h and 3000km away from SF. E) After 2h and 1500km away from NY.
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