1 Problem Assignment For Chapter 1

1 Problem Assignment For Chapter 1 - P roblem Assignment...

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Problem Assignment For Chapter 1 1. One of the equations that we will introduce during our study of kinematics (the description of motion) is, v2 = vo2 +2ax where x is the distance in meters, v is the speed in m/s, a is the acceleration in / m s2 , and t is the time in seconds. Based on this information, is the following equation also possible: x = (v + ½ a) t Why or why not? Answer: No, because the two equations are not equal to each other. Equation one is v2 = vo2 + 2ax. Equation two is x = (v + ½ a)t. When combining equation 2 with equation 1 equation one comes out differently. Work: Equation 1 and 2 combined…. v2 = vo2 + 2a(v + ½ a)t The result of this…. v2 = vo2 + 2avt + a2t You get a different equation. Also, with equation 2, x = (v + ½ a)t, there’s no way to solve the problem to get to ‘ v2 ’ like in the first equation, v2 = vo2 + 2ax. 2. If you measured length in centimeters, what would be the units for area? Answer:
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1 Problem Assignment For Chapter 1 - P roblem Assignment...

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