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| what are the three main physical quantities used in mechanics |
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| length (L), mass (M), time (T) |
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| what is the definition of the meter |
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| the meter is defined as the distance is takes light to travel in a vacuum during a time interval of 1/ 299 792 458 seconds |
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| strong evidence indicates that protons, neutrons and electrons are composed of six smaller particles called quarks |
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| what are the SI units for area L^(2) |
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| what are the SI units for volume L^(3) |
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| what are the SI units for velocity (L/T) |
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| what are the SI units for acceleration (L/T^(2)) |
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| work the problem (1.20e^(5) x 2e^(5))+1e^(3)= |
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| when multiplying two or more quantites, the number of significant figures in the final product is |
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| the same as the least accurate factors being combined, that is, the least accurate is the one with the least amount of significant figures |
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| when numbers are added, the number of decimal places in the final answer are |
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| equal to the smallest number of decimal places of any term in the sum |
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| what is 123 + 5.35, mind the significant figures |
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| what does it mean to increase a quantity by three orders of magnitude |
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| give two examples of coordinate systems |
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| cartesian coordinate system & plane polar coordinates |
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opposite theta/hypotenuse
y/r |
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side adjacent to theta/hypotenuse
x/r |
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opposite theta/adjacent to theta
y/x |
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| what is the pythagorean theorem |
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