PHY131H1 Lecture Notes - Lecture 3: Significant Figures
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PHY131H1 Full Course Notes
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Interpret (concepts: develop (draw a diagram, evaluate (keep variables until the end, assess (check special cases, if you kept variables) Kinematics concepts: time (t) everything else is a function of time (located on x-axis, position (x, y, z, s, d, etc. ) Position is a vector, function can be: x(t: displacement ( x = xf xi) the change in position, average velocity (vav = / ) the slope of the line between two points. Instantaneous velocity (v) velocity at that instant, or the slope of the tangent at a given point v(t) = dx/dt: average acceleration slope of two points on the velocity-time graph. Instantaneous acceleration slope of the tangent to a point. If acceleration (a) is constant, then average and instantaneous acceleration are the same: average speed is displacement over average time vav = x/ t.
