Course Hero Logo

Exam 2 Solutions - Math 116 Second Midterm March 23, 2015...

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 - 3 out of 14 pages.

Math 116 — Second MidtermMarch 23, 2015Name:EXAM SOLUTIONSInstructor:Section:1.Do not open this exam until you are told to do so.2.This exam has 14 pages including this cover. There are 11 problems. Note that the problemsare not of equal difficulty, so you may want to skip over and return to a problem on whichyou are stuck.3.Do not separate the pages of this exam. If they do become separated, write your name onevery page and point this out to your instructor when you hand in the exam.4.Please read the instructions for each individual problem carefully. One of the skills beingtested on this exam is your ability to interpret mathematical questions, so instructors willnot answer questions about exam problems during the exam.5.Show an appropriate amount of work (including appropriate explanation) for each problem,so that graders can see not only your answer but how you obtained it. Include units in youranswer where that is appropriate.6.You may use any calculator except a TI-92 (or other calculator with a full alphanumerickeypad). However, you must show work for any calculation which we have learned how todo in this course. You are also allowed two sides of a 300500note card.7.If you use graphs or tables to find an answer, be sure to include an explanation and sketchof the graph, and to write out the entries of the table that you use.8.Turn oall cell phones and pagers, and remove all headphones.9.You must use the methods learned in this course to solve all problems.ProblemPointsScore1162634475869798109101015116Total100
Math 116 / Exam 2 (March 23, 2015)page 21. [16 points]Carla and Bobby run a race after spinning in circles for a good amount of timeto make themselves dizzy. They start at the origin in thexy-plane and they race to the liney= 5. Assume the units ofxandyare meters.Bobby’s position in thexy-planetseconds after the races starts is(-p3tcost,1p3tsint)and Carla’s position in thexy-planetseconds after the race starts is(tsint,-tcost).a. [4 points] Write an integral that gives the distance that Carla travels during the first twoseconds of the race. Do not evaluate your integral.

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 14 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
Irena
Tags
Exponential Function, Trigraph, Constant of integration

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture