PHYS 221 Midterm: PHYS 221 Iowa State Exam2 F11 blank
Document Summary
Instructions: put away all materials except for pens, pencils, erasers and your calculator. If you did not bring a pencil, ask for one. If you need to change any entry, you must completely erase your previous entry: carefully read each problem completely and its five possible answers before beginning to work the problem. Your exam will be returned to you in recitation next tuesday. Note: the unit vectors in the +x, +y, and +z directions of a right-handed cartesian coordinate system are i, j, and k , respectively. In this exam, assume that the magnitude of the acceleration due to earth"s gravity at the surface of the earth is g = 9. 80 m/s2. Bx + cx 2 , where a, b and c are nonzero positive constants. The force on the particle versus x is fx = ____ : 0, bx ! 2cx: !2cx (a / x) + b !
