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Mega (M) Kilo (k) None Centi (c) Milli (m) Micro (u) |
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Definition
10^6 10^3 10^0 10^-2 10^-3 10^-6 |
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How long something moves measured along the path. |
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How far did something get from the starting point |
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A quanitiy where direction is important |
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A quantity where direction is not important |
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Convert 72 inches to feet |
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Definition
72 in. (1ft/12in) = 72/12 = 6ft |
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Term
When do you use the pacific rule? |
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Definition
When there is a decimal point |
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Term
What is the Pacific rule? |
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Definition
You start on the left, and once you reach the first non-zero you count it and everything after it as a sig. dig. |
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When do you use the Atlantic rule? |
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Definition
When there is no decimal point. |
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What is the Atlantic rule? |
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Definition
You start on the right of the number, and once you reach the first non-zero you count it and everything after it as a sig. dig. |
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Term
How man Sig. Dig.'s are in 1,000.8? |
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How many Sig. Dig.'s are in 80? |
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How many Sig. Dig.'s are in .00260? |
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How many Sig. Dig.'s are in 25,000? |
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How many Sig. Dig.'s are in 4,020? |
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Definition
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How many Sig. Dig.'s are in 4.080? |
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Definition
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Term
What is the rule when multiplying and dividing with Sig. Dig.'s? |
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Definition
When you multiply you are only allowed to keep the smallest # of sig. dig.'s present in one of the numbers being multiplied or divided. |
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What is the rule when adding or sbtracting with Sig. Dig.'s? |
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Definition
When adding or subtracting Sig. Digs. You use the number of sig. digs. to the right of the decimal. Line up and then + or - and cut of the extra. (Do math first; round last.) |
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What is the product of 4.080*2.0? |
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Write 156.90 in proper scientific notation. |
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Write 0.00089 in proper scientific notation. |
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Expand 1.23*10^6 into ordinary notation. |
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Expand 9.09*10^-5 into ordinary notation. |
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What is the equation for velocity? |
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Definition
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What is the equation for speed? |
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Definition
Distance Travled/Time elapsed |
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Is velocity vector or scaler? |
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Definition
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Is speed a vector or scaler? |
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Definition
A change in velocity. (Speed up, slow down, turning). |
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What is the equation for acceleration? |
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Definition
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What are the three kinematic equations? |
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Definition
Delta X = Vot + 1/2 at^2
Vf = Vo + at
Vf^2 = Vo^2 + 2a Delta X |
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When do you use the kinematic equations? |
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Definition
When the acceleration is constant. |
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What is the acceleration of gravity? |
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Definition
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What is pythagorean's theorum? |
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Definition
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What does SOHCAHTOA stand for? |
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Definition
Sin 0 = Opposite/Hypotenuse Cos 0 = Adjacent/Hypotenuse Tan 0 = Opposite/Adjacent |
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Definition
The part of a vector that runs parrallel to an axis. |
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How do you find the horizontal component? |
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How do you find the vertical component? |
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In projectile motion what stays the same the whole time? |
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Definition
Acceleration. ax = 0 ay = -9.8 m/s^2 |
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Definition
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What is Newton's First Law of Motion? |
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Definition
The Law of Inertia - If there is no EF acting on an object, then it will not accelerate (speed up, slow down, turn). |
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What is Newton's Second Law? |
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Definition
EF = ma Net Force = (mass)(acceleration) |
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What is Newton's Third Law of Motion? |
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Definition
If an object exerts a force on a second object, then the second object exerts a force back on the first object. The forces are equal in magnitude, but opposite in direction. |
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A force of gravity on an object down. w=mg Weight = (Mass)(Gravity) |
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When you have a frictionless ramp, what is the force going into the ramp? |
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When you have a frictionless ramp, what is the force going down the ramp? |
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Definition
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Definition
Two forces that oppose the sliding of two objects past eachother. |
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How many types of friction are there and what are they? |
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Definition
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What kind of friction do you use if you want to get something started? |
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Definition
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What kind of friction do you use if you want to keep an object moving? |
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What is the coefficient of friction? |
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What is the equation for Static Friction? |
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Definition
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The Coefficient of static friction. |
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What is the equation for Kinetic Friction? |
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The coefficient of kinetic friction. |
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If you want to accelerate, what equation do you use? |
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Definition
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What equation do you use to find the force of gravity? |
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Definition
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The attraction between two object. |
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Definition
Universal Gravitational Constant. |
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What is the Universal Gravitational Constant? |
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What happens if you doube the mass? |
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What happens if you doubble both the mass and the radius? |
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Definition
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What is Uniform Circular Motion? |
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Definition
Motion in a circle at a constant speed. |
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What is the equation for Centripetal Acceleration (ac)? |
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What is the equation for Centripetal Force? |
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How do you find the circumphrence of a circle? |
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m = 2,000 kg; r = 10 m; V = 10 m/s; What is the EF? |
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The slowest you can go on a loop the loop is represented by what equation? |
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The maximum "safe speed" you can go while making a turn is represented by what equation? |
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Definition
V = (square root of:) usrg |
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