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quiz1-S13

# quiz1-S13 - Physics 1200 Name Quiz 1 Spring 2013 Form A...

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Physics 1200 Quiz 1, Spring 2013, Form: A Name: Date: You must include units with all quantities (that have units). You must show your work or explain your reasoning in words for all questions including multiple-choice questions. An answer with no calculation or explanation will not receive full credit. 1. A displacement vector is shown in Figure 1. Figure 1: A displacement vector. (a) What are the coordinates of the tail of the vector? (b) What are the coordinates of the head of the vector? (c) Write the vector (in component form). 2. An object was at (4 , 2 , 1) m and is displaced ( 1 , 3 , 2) m . What is its (new) position after it moved? 3. (a) An object has a speed 2 m/s in the y direction. What is its velocity (vector)? (b) An object has a speed of 5 m/s in the + x direction. What is its velocity (vector)? 1

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4. An object has a velocity °v =( 2 , 4 , 0) m / s . (a) Sketch this vector. (b) What is the magnitude of its velocity (i.e. speed)? (c) What is its direction (i.e. its unit vector)?
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quiz1-S13 - Physics 1200 Name Quiz 1 Spring 2013 Form A...

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