Homework 2 - Abd Elhai, Mohamed Homework 2 Due: Feb 4 2008,...

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Abd Elhai, Mohamed – Homework 2 – Due: Feb 4 2008, 11:00 pm – Inst: Dr Kevin Dean 1 This print-out should have 33 questions. Multiple-choice questions may continue on the next column or page – fnd all choices be±ore answering. The due time is Central time. This is ONLINE HOMEWORK No 2 It is due by 09:00 Abu Dhabi time on Tuesday morning, 5 January(23:00 Monday in Texas) 001 (part 1 o± 5) 1 points Consider the displacement curve: OABC 0 1 2 - 2 - 1 0 1 2 x (m) t (s) Displacement vs Time O A B C Choose the appropriate quantity ±or the average velocity v OA ±rom point O to A . 1. v OA = +2 m/s 2. v OA = + 3 m/s 3. v OA = - 2 m/s 4. v OA = 0 m/s 5. v OA = - 3 m/s 002 (part 2 o± 5) 1 points Choose the appropriate quantity ±or the aver- age velocity v OB ±or the motion ±rom point O to point B . 1. v OB = + 3 m/s 2. v OB = +2 m/s 3. v OB = 0 m/s 4. v OB = - 3 m/s 5. v OB = - 2 m/s 003 (part 3 o± 5) 1 points Choose the appropriate quantity ±or the aver- age speed s OB ±or the motion ±rom point O to point B . 1. s OB = 0 m/s 2. s OB = +2 m/s 3. s OB = + 3 m/s 4. s OB = - 2 m/s 5. s OB = - 3 m/s 004 (part 4 o± 5) 1 points Choose the appropriate quantity ±or the in- stantaneous velocity v B at point B . 1. v B = - 2 m/s 2. v B = +2 m/s 3. v B = 0 m/s 4. v B = + 3 m/s 5. v B = - 3 m/s 005 (part 5 o± 5) 1 points Choose the appropriate quantity ±or the in- stantaneous speed s B at point B . 1. s B = - 3 m/s 2. s B = + 3 m/s 3. s B = - 2 m/s 4. s B = +2 m/s 5. s B = 0
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Abd Elhai, Mohamed – Homework 2 – Due: Feb 4 2008, 11:00 pm – Inst: Dr Kevin Dean 2 006 (part 1 of 1) 1 points The graph shows position as a function of time for two trains running on parallel tracks. position time t B B A Which is true? 1. Both trains have the same velocity at some time before t B 2. At time t B , both trains have the same velocity 3. Somewhere on the graph, both trains have the same acceleration 4. Both trains speed up all the time 007 (part 1 of 4) 1 points
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Homework 2 - Abd Elhai, Mohamed Homework 2 Due: Feb 4 2008,...

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