Discussion 2 post Phys.docx

# Discussion 2 post Phys.docx - The route of transportation...

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The route of transportation that I am most familiar with would have to be between my house and my job, which I travel to in my car every day. There are multiple scalar and vector quantities that are used during my trip. A scalar quantity has magnitude, but no direction such as simply saying 4.1 miles, which just includes a value and its units. A vector quantity has both magnitude and direction, such as saying 4.1 miles north west. If I were describing distance, which is a scalar quantity I would say that it is 4.1 miles between my house and my job. However, due to traffic there are many times I take an alternate route which comes out to 4.7 miles from my house because I have to now add in that extra road that I have to take. If I were describing displacement, which is a vector quantity, I would say that my job is 4.1 miles North-West from my house on the shortest possible path using a car. Even if I took an alternate route, which increases my distance, my displacement would still be the same because my house is 4.1 miles to my job on the shortest driving path. The displacement

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• Fall '10
• Roddy
• Velocity, Miles per hour, Speed limit, speed limits

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