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a relationship between variables that is qualitative (no numbers or equations) is called what? |
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typically a principle which is stated with extreme precision and usually involves a mathematical relationship is called a what? |
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what is in a precise relationship? |
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in a position-time graph, slope = what? |
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in a PT graph, y-intercept is position at time = what? |
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y = mx + b is what kind of relationship? |
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what is equation 1 in a position-time graph? |
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what is the change in distance over the change in time? |
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does gravity increase or decrease speed? |
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how did Galileo dilute gravity? |
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velocity change with time is what? |
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in a velocity-time graph, what does the slope equal? |
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the change in velocity/change in time (acceleration) |
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In a VT graph, y-intercept equals velocity at = what? |
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what is equation 2 in a velocity-time graph? |
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in a VT graph, constant motion slope line = what? |
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in a VT graph, uniformly accelerated motion the slope is constant, but does it equal 0? |
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in a VT graph, non-uniformly accelerated motion the slope of tangent line at a given point gives what? |
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can you determine the initial position based on a VT graph? |
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the area under a VT graph = what? |
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which equation is used in constant motion? |
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what are the 7 steps for solving a simple kinematic (motion) problem? |
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1. Determine type of motion – constant or uniformly accelerated motion. 2. Identify that for which you are looking. 3. Identify the information you have. 4. Find a relationship between the variables. 5. Solve the relationship for the unknown variable. 6. Insert quantities (including units) and solve (including units). 7. Check to see if your solution seems reasonable. |
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which equations are used for uniformly accelerated motion? |
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1. v = v0 + at 2. x = x0 +v0t +(1/2)at squared 3. v squared - v0 squared = 2a deltax |
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Constant motion PT graph is linear or curved? |
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Constant motion PT graph: slope is equal to what? |
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Constant motion PT graph: area under the line is what? |
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Constant motion VT graph: is horizontal or non-horizontal line? |
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Constant motion VT graph: slope is equal to what? |
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Constant motion VT graph: the area under the line is equal to what? |
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uniformly accelerated motion VT graph: horizontal or non-horizontal lines? |
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uniformly accelerated motion VT graph: slope is equal to what? |
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uniformly accelerated motion VT graph: area under the line is equal to what? |
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uniformly accelerated motion PT graph: linear or curved? |
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uniformly accelerated motion PT graph: tangent to the curve is equal to what? |
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uniformly accelerated motion PT graph: area under the curve is equal to what? |
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magnitude and direction (vector) from some arbitrary location |
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distance is why kind of quantity? how is it measured? |
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scalar -- measured along a path traveled |
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what measures change in position? |
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displacement is what kind of quantity? |
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what is the straight-line distance between where one starts motion and where one ends motion? |
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tangents to curved PT graphs are what? |
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average velocity equals what? |
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change in displacement/time |
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