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Unformatted text preview: homework 06 NOORANI, ZOHEB 1 Latest unpenalized work: Jan 30 2008 Wednesday 04:00 (after this date you can not make a perfect score). Work cutoff: Jan 31 2008, 4:00 am. Question 1, chap 3, sect 1. part 1 of 1 10 points A quarterback takes the ball from the line of scrimmage, runs backward for 13 yards, then runs sideways parallel to the line of scrim- mage for 10 yards. At this point, he throws a 31 yards forward pass straight downfield perpendicular to the line of scrimmage. What is the magnitude of the footballs resultant displacement? Answer in units of yards. Question 2, chap 3, sect 3. part 1 of 5 10 points A commuter airplane starts from an air- port located at the origin (see figure). First it flies to city A located a = 100 km away from the airport in a direction = 36 North of East. Next it flies b = 55 . 2 km = 33 West of North to city B. Finally it flies c = 189 km due West to city C. A B C O a c b r N N E W Consider E to be the positive x axis and N to be the positive y axis. Which of the following is equal to the x- component b x of the vector vector b ? 1. b x = b sin 2. b x = b cos 3. b x = b tan 4. b x = b tan 5. b x = b sin 6. b x = b cos Question 3, chap 3, sect 3. part 2 of 5 10 points Which of the following is equal to the y- component b y of the vector vector b ?...
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This note was uploaded on 09/16/2009 for the course PHY 303K taught by Professor Turner during the Spring '08 term at University of Texas at Austin.
- Spring '08