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In last fall's Homecoming victory, Al Konfurance, the star halfback of South's football team, broke a tackle at the line of scrimmage and darted upfield untouched. He averaged 8.0 m/s for an 80-yard (73.1 m) score. Determine the time (in s) for Al to run from the line of scrimmage to the end zone.

In last fall's Homecoming victory, Al Konfurance, the star halfback of South's football team, broke a tackle at the line of scrimmage and darted upfield untouched. He averaged 8.0 m/s for an 80-yard (73.1 m) score. Determine the time (in s) for Al to run from the line of scrimmage to the end zone.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. Google Maps states that it is 62.2 miles from Middlesboro to Knoxville. How many km is this? 3. A car is driving at 28 m/s. What is its speed in mph? 4. How many seconds are in one week? 5. A passenger jet flies at a constant speed from one airport to another 1,500 miles away in 3.5 hours. Find its speed in miles per hour. 6. In last fall's Homecoming victory, Al Konfurance, the star halfback of South's football team, broke a tackle at the line of scrimmage and darted upfield untouched. He averaged 8.0 m/s for an 80-yard (73.1 m) score. Determine the time (in s) for Al to run from the line of scrimmage to the end zone. 7. In the Funny Car competition at the local speedway dragrace, a driver completes the quarter-mile dragster race in a time of 4.75 seconds. Determine the average speed of the dragster (in m/s). 8. A runner in a marathon passes the 5-mile mark at 1 o'clock and the 20-mile mark at 3 o'clock. What is the runner's average speed (in mph) during this time period? 9. How far (in m) does a car going 25 m/s travel in 7 s? 10. A long distance runner has an average speed of 3.0 m/s. How far (in m) does the runner travel in 20 min?
Transcribed Image Text:2. Google Maps states that it is 62.2 miles from Middlesboro to Knoxville. How many km is this? 3. A car is driving at 28 m/s. What is its speed in mph? 4. How many seconds are in one week? 5. A passenger jet flies at a constant speed from one airport to another 1,500 miles away in 3.5 hours. Find its speed in miles per hour. 6. In last fall's Homecoming victory, Al Konfurance, the star halfback of South's football team, broke a tackle at the line of scrimmage and darted upfield untouched. He averaged 8.0 m/s for an 80-yard (73.1 m) score. Determine the time (in s) for Al to run from the line of scrimmage to the end zone. 7. In the Funny Car competition at the local speedway dragrace, a driver completes the quarter-mile dragster race in a time of 4.75 seconds. Determine the average speed of the dragster (in m/s). 8. A runner in a marathon passes the 5-mile mark at 1 o'clock and the 20-mile mark at 3 o'clock. What is the runner's average speed (in mph) during this time period? 9. How far (in m) does a car going 25 m/s travel in 7 s? 10. A long distance runner has an average speed of 3.0 m/s. How far (in m) does the runner travel in 20 min?
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