Tutorial 1 Questions - PHY1010 Tutorial 1(Motion Summary...

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PHY1010 - Tutorial 1 (Motion) Summary The SI base units are the kilogram (kg) for mass, the metre (m) for length and the second (s) for time. The number of significant figures in your result is set by the value with the fewest significant figures given. The four steps for problem solving are: (1) Model, (2) Visualize, (3) Solve and (4) Assess. The steps to making a pictorial representation are: (1) Draw a motion diagram, (2) Establish coordinates, (3) Sketch the situation, (4) Define symbols, (5) List knowns, (6) Identify desired unknown. For 1-D motion with constant acceleration, the kinematic equations are: s a v v t a t v s s t a v v is fs s is i f s is fs 2 ) ( 2 1 2 2 2 Free fall is constant acceleration motion with 2 / 80 . 9 s m g a a freefall y Motion on an inclined plane has sin g a . The sign depends on the direction of the tilt. Problem 1 – You are driving down a straight, flat road at a steady 60 km/h. You notice a red stop light up ahead, and begin to slow down. Before you come to a stop, however, it turns green, so you speed back up to 60 km/h and continue on your journey. Draw a motion diagram for this situation. Be sure to draw (and label)
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