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COOP_2 10

# COOP_2 10 - Name Section/Instr Partners Cooperative...

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Name: ______________________________Section/Instr.: ___________________ Partners: __________________________________________________________ Physics 2207, Fall 2010 1 Cornell University Cooperative Problems 2: Vectors and 2-D Motion 1. Describe two vectors a and b such that: (a) c b a and c b a . (b) b a b a . (c) c b a and 2 2 2 c b a . 2. One afternoon you walk from Noyes Community Center on West Campus to Uris Library. On an ordinary map, the (horizontal) distance between the two buildings is 1100 ft. A topographic map shows that Uris is 150 ft higher than Noyes. (a) Use unit vector notation to specify a vector that represents your displacement from Noyes to Uris. (b) What is the magnitude of your displacement vector? How much greater is this magnitude than the horizontal (ordinary map) distance from Noyes to Uris? (c) What angle does your displacement vector make with the horizontal? (Continued on the back.)

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Physics 2207, Fall 2010 2 Cornell University 3. A soccer player kicks a ball at a speed of 45 m/s (about 100 mi/h) at an angle of 45 .
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• '07
• LIEPE, M
• Physics, Velocity, displacement vector, unit vector notation, Noyes, Noyes Community Center, __________________________________________________________ Cooperative Problems

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COOP_2 10 - Name Section/Instr Partners Cooperative...

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