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Unformatted text preview: Foor apartment, which happens to show the Fowerpot falling past a tall window. Inspection of individual frames of the video shows that in a span of 6 frames the Fowerpot falls a distance that corresponds to 0.85 of the window height seen in the video (note: standard video runs at a rate of 30 frames per second). You visit the apartment and measure the window to be 2.2 m high. What can you conclude? Under what assupmtions? Give as much detail as you can. 3. (M&I Problem 2.25) In a crash test, a truck with mass 2200 kg traveling at 25 m/s (about 55 mph) smashes head-on into a concrete wall without rebounding. The front end crumples so much that the truck is 0.8 m shorter than before. What is the approximate magnitude of the force exerted on the truck by the wall? Explain your analysis carefully and justify your estimates or assumptions on physical grounds....
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This note was uploaded on 05/01/2008 for the course PHYS 13 taught by Professor Millan during the Spring '08 term at Dartmouth.
- Spring '08