Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground. Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13ft/s 3 for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs 4 1 at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth decimal. Show the equations you used for each problem. 4
Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground. Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13ft/s 3 for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs 4 1 at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth decimal. Show the equations you used for each problem. 4
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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What was Professor Jung’s average speed for the entire race? What was Professor Min’s average speed for the entire race?
Transcribed Image Text:Professor Jung and Professor Min are very competitive. They want to impress their colleague Professor
Lee by showing her how fast they can run. They agree to run a race 100 yards across the playground.
Professor Jung runs an average speed of 7ft/s for the first half of the race and an average speed of 13 ft/s
3
for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs
4
1
at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth
decimal. Show the equations you used for each problem.
4
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