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Physics 2050 – Spring 2016 Physics for Scientists and Engineers, 9th ed., Serway and Jewett CHAPTER REVIEWS Chap. 1: PHYSICS AND MEASUREMENT -Units: MKS, CGS, British (length, mass, time) -Dimensional Analysis -Conversion of units -Significant Figures Chap. 2: MOTION IN ONE DIMENSION -Displacement -Average velocity (and graphical interpretation) -Instantaneous velocity: graphical interpretation limit as t0 of avg. velocity = dx/dt -Average acceleration -Instantaneous acceleration: limit as t0 of average acceleration = dv/dt -Motion with constant acceleration 4 kinematic equations (Eqs. 2.13, 2.15, 2.16, 2.17) -Freely falling objects: const. accel. kin. eqs. with a = g= 9.8 m/s2 = 32 ft/s2 Chap. 3: VECTORS -Coordinate systems -Vector and scalar quantities -Properties of vectors: addition, subtraction, negatives and multiplication by scalars -Components of a vector, magnitude, angle and unit vectors Chap. 4: MOTION IN TWO DIMENSIONS -Position, velocity and acceleration in two dimensions: same as one dimension, but they are vectors -Two-dimensional motion with constant acceleration: same as one dimension, but with components in both directions, the motion in the two directions is independent -Projectile motion: horizontal and vertical motions are independent (horizontal: a = 0; vertical: a = g = 9.8 m/s2) kinematic equations apply -Uniform circular motion: radial (centripetal) acceleration = ac = v2/r; tangential acceleration = at = change in magnitude of velocity (speed) with time -Relative velocity and acceleration: rac = rab + vbct; vac = vab + vbc; aac = aab 1