Physics 30S Final Exam Review-2.pdf
Physics 30S Final Exam Review-2.pdf
Physics 30S Final Exam Review-2.pdf
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<strong>Physics</strong> 40S RRSD <strong>Final</strong> <strong>Exam</strong> – June 2005 Page 12Part A – Long Answer [50 marks]Show all work in the space providedLong Answer – Mechanics (19)→ →1. Given the following vectors: A = 20 N @ 42° and B = 20N@ 210°. Find→→A+ B using either trigonometry or vector components. [3]2. Find the unknown quantities in the diagram below, given that the object moveswith constant velocity. Show all work. [4]3. A car travelling with a speed of 3.0 m/s is coasting towards an incline (seediagram). Using conservation of energy concepts, determine how high(verticalheight) the car coasts up the hill on the right. Assume no friction. [3]
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