week1 - Physics 1 Discussion Section Problem for the week...

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Unformatted text preview: Physics 1 Discussion Section Problem for the week of March 29 April 2, 2010 Instructions: Work this problem as a group. Hand in only one completed work- sheet for your group, including all of the steps in the I SEE problem-solving process. Problem: Mass Extinction There was a mass extinction of all dinosaurs (as well of many other organisms) 65 million years ago the end of the Cretaceous period. One proposed explanation for this mass extinction is that the earth was struck by a large asteroid, and that the effects of this impact were so drastic that many species could not survive. Indeed, a 65-million-year-old crater 180 kilometers in radius has been discovered in the Yucat an Peninsula of Mexico. The asteroid that caused the crater was probably much smaller, about 10 kilometers in radius. One proposed effect of this impact is that the huge amount of debris thrown up from the crater landed all over the earth, covering up much of the earths vegetation. This would have killed off the plant-eating dinosaurs and hence the carnivorous dinosaurs...
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This note was uploaded on 05/02/2010 for the course PHYS PHYS 1 taught by Professor Morrison during the Spring '10 term at UCSB.

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week1 - Physics 1 Discussion Section Problem for the week...

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