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Unformatted text preview: a. Which equation shows conservation of linear momentum in the vertical or North/South direction? b. Which equation shows conservation of linear momentum in the horizontal or East/West direction? 5. How much more massive is the truck than the car? 6. a. Calculate the Kinetic Energy (KE) of the car just prior to the collision, using v 2 = 29mph. Now suppose that the energy was in the form of gravitational potential energy. The car starts at some height, h , with U = KE and the car is dropped to the ground so that just before impact the kinetic energy is KE. b. Find the height, h , from which the car would be dropped. c. Give an estimate of how many floors that height is equivalent. 7. What assumptions are made for equation (8)? Are they good assumptions? Why or why not? 8. Describe an alternate technique to approximate how the change in kinetic energy relates to the damage....
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 Spring '10
 Costello
 Physics, Biology, RNA, pH

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