Take the JETS Challenge and Win Prizes!
This Week's Challenge Last Week's Challenge Challenge Archive
The JETS Challenge is a weekly word problem posted each Friday during the academic year. Students can submit answers individually, teachers can use the Challenge in the classroom, or engineering clubs can use the Challenge as a team building exercise. How you use the JETS Challenge is up to you.
Win Prizes!
Submit your answer to the JETS Challenge each week (before the next challenge is posted) and all correct submissions will be entered into a monthly drawing to receive a free copy of the new JETS ASSESS and Explore (JETS printed career brochure about engineering careers). There will be five winners each month.
This Month’s Winners
Congratulations to this month’s winners for their outstanding work. A copy of JETS Assess and Explore will be sent to each of them.
Kevin Chiu
Justin Cox
Tiffany Huang
Alexander Ruff
Chen Ying
Submitting Answers to JETS
E-mail your answer to JETS at challenge@jets.org and enter 'Challenge xx' in the subject line. NOTE: Only those submissions with 'Challenge 84' (enter the actual week's challenge number) in the subject line will be considered for the monthly drawing.
The Solutions
Each Friday, the previous week's solution will be posted.
A special thanks to Dave Meredith, Associate Professor at the Penn State University-Fayette for providing these questions to JETS.
This Week's Challenge:
Challenge 103—The Stop-Light Challenge
Sam Hornish, Jr. from Defiance, OH, won the 2006 Indianapolis 500 by the second narrowest margin ever. Only 0.0635 seconds separated him from rookie Mario Andretti, whom he passed on the last turn of the 200 trips around the track at an average speed of 214 mph. The centerline of the oval track include four ¼ mile long turns separated by a 1/8 mile straightaway on each end and a 5/8 mile straightaway on each side. Assume the path of both drivers around the “Oval” for the entire race (ignore passing and pit stops) averaged to a perfect oval with the winner staying exactly on the centerline.
Find the difference in the length of the turn radius
between the two drivers (inches). Note: there are 5280 feet in one mile.
Last Week's Challenge:
Challenge 103—The Stop-Light Challenge
The answer is 39.24 inches
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