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### 29 Cards in this Set

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 1st in Scientific Reasoning purpose or question 2nd in Scientific Reasoning form a hypothesis 3rd in Scientific Reasoning identify variables 4th in Scientific Reasoning design a procedure -materials and instruments -how data is collected -collection of data 5th in Scientific Reasoning Analysis and evaluation of data -average data if necessary -graph if appropriate -transform graph if necessary -produce mathematical model 6th in Scientific Reasoning Conclusion -mathematical model -importance of numerical results -statement of relationship b/w variables Position time graph is linear acceleration... acceleration = 0 equation of motion x= vt + x-not explaination of uniform motion time vs. position position changes uniformly with time; position and time are proportional slope or average velocity in uniform motion delta x over delta t the motion map for uniform motion is... objects position changes uniformly; positions at regular time intervals are evenly spaced motion map of a fast car vs a slow car why? fast car: dots are farther apart slow car: dots are closer together why? the fast car travels more distance at each time interval than the slow car general form of the equation of a line: y=mx+b transforming data: Upward opening parabola square values of the independent variable y=mx^2+b y=mx^2+b shows: y... m... -m is the slope of the transformed graph and proportionality constant of original curve -y is proportional to the square of x Transforming data: Sideways opening parabola square values of dependent variable y^2=mx+b y^2=mx+b shows... square of y is proportional to the x Transforming curve: curve part faces both the x and y axis inverse curve: plot invers values of x variable: y=m*1/x Def. of Instananeous velocity is the velocity an object has at any given instant. best way to find instant. velocity find the average velocity for a very short distance and time interval describe the graph of time vs. velocity some objects change with velocity proportional to time mathematical model for time vs. velocity v=at+v-not average acceleration of time vs. velocity (slope) a= delta v over delta t time vs. velocity and position vs. time when plotting the same data of time vs. velocity, for position vs. time, the result will be a curve (upward opening) position vs. time graph position is proportional to the square of time equation of position vs. time x=1/2at^2 or x=v-not *t +1/2at^2 interpretation of position vs. time graph of non-uniform motion position of the object changes faster than time changes motion map of position vs. time graph start closer together than get farther apart relation between velocity vs. position v^2=2ax +v-not^2