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 for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs 3 4 1 at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth 4 decimal. Show the equations you used for each problem.
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 for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs 3 4 1 at an average speed of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth 4 decimal. Show the equations you used for each problem.
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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Transcribed Image Text:A. What was professor Mins average speed for the
entire race?
B. How far did each of them travel 20 seconds
through the race? Who won the 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 13ft/s
for the second half of the race. Professor Min runs at an average speed of 10ft/s for of the race and runs
4
at an average
speed
of 8ft/s for the remaining of the race. If needed, round to the nearest hundredth
4
decimal. Show the equations you used for each problem.
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