## Chapter 1 - Physics First

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##### Created by:

meganrice  on November 2, 2011

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Gabby3746 : This discuss thing P.S. JeanelleRook Rocks
Jeanellerooks : Hey this is so cool
Gabby3746 : Question 1 I jump off a bridge How fast am I going
Gabby3746 : in 2 seconds
Jeanellerooks : 19.6 m/sec
Gabby3746 : Your Awesome
Gabby3746 : so I have a mass of 5 and accerate at 2 miles per second what is my force
Jeanellerooks : 3 hr 26 min 27 sec into seconds
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Gabby3746 : 12,387
Gabby3746 : answer 9.6
Gabby3746 : question three
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# Chapter 1 - Physics First

 energythe ability to change or cause change in a system
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#### Definitions

energy the ability to change or cause change in a system
English system measurements that use inches, yards, and miles
experiment a situation that is set up to observe what happens
experimental variable the specific variable that is being tested within an experiment or investigation; changed by the experimenter
hypothesis an educated guess
independent variable the variable that causes change in the experiment; plotted along the x-axis
mass the amount of matter in an object
metric system measurements based on 10 using meters and grams
natural law a rule that every process in the universe obeys
scientific method a process scientists use to gather evidence
speed distance divided by time
variable a factor that effects the results in an experiment
x-axis horizontal axis, independent variable axis
y-axis vertical axis, dependent variable axis
dependent variable the variable that relies on other another; plotted on the y-axis

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