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# HW21 - Sample Create assignment 57112 Homework 21 Sep 01 at...

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Create assignment, 57112, Homework 21, Sep 01 at 2:48 pm 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Covers 17.1-17.6 Aluminum Ring and Brass Rod 19:05, trigonometry, numeric, > 1 min, nor- mal. 001 At 20 C, an aluminum ring has an inner di- ameter of 5 cm and a brass rod has a diameter of 5 . 05 cm. If the temperature coe ffi cient of expansion for brass is α b = 1 . 9 × 10 - 5 ( C) - 1 and the temperature coe ffi cient of expansion for alu- minum is α a = 2 . 4 × 10 - 5 ( C) - 1 , to what temperature must the ring be heated so that it will just slip over the rod? Answer in units of C. 002 To what temperature must both be heated so that the ring just slips over the rod? Answer in units of C. Gasoline Expansion 02 19:05, trigonometry, numeric, > 1 min, nor- mal. 003 An automobile fuel tank is filled to the brim with 45 L of gasoline at 10 C. Immediately afterward, the vehicle is parked in the Sun

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