PHYS 218 Midterm: Texas A&M Physics 218 Exam1_Spring_2012_a
Document Summary
Rules of the exam: you have the full class period to complete the exam, formulae are provided on the last page. If the answer marked does not obviously follow from the shown work, even if the answer is correct, you will not get credit for the answer. Sign below to indicate your understanding of the above rules. For time is seconds, for mass is kg, and for length is meter. (b) (5 points) convert 56 grams cm3 to kg m3. We get : grams cm3 = 56 10 3. 56 kg (10 2m)3 = 56 10 3 kg. 10 6m3 = 56 103 kg m3 (c) (5 points) compute the magnitude of the vector ~c = ~a ~b, where the vector s2 straight in the north direction, and the vector ~b. ~a has a magnitude of 3 m has a magnitude of 5 m s2 at an angle of 37 north of the east direction.
