PHYS 221 Midterm: PHYS 221 Iowa State Exam3 F11 blank

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15 Feb 2019
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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. Note: the unit vectors in the +x, +y, and +z directions of a right-handed cartesian coordinate system are i, j, and k , respectively. Problems 61 through 75 are worth 4 points each: the acceleration of a particle moving along the x-axis versus time t is a. The velocity of the particle at time t = 4. 00 s x velocity of the particle at time t = 0 is v is v. = ____ m/s . x x: 8, 4, 0, 12. 16: a particle is undergoing nonuniform circular motion in the x-y plane. The angle ! that the particle makes with the positive x-axis is !