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# Lorenzo Florendo - Reviewer for Physics - First Monthly Test

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### Lorenzo Florendo - Reviewer for Physics - First Monthly Test

1. 1. Reviewer
2. 2. Reviewer Contents: Conversion of Units Significant Figures Algebraic Transformation Exercises More Exercises!!!
3. 3. Conversion of Units
4. 4. numerator and denominator should be equivalent
5. 5. 5 kg 5kg g g kg g numerator and denominator should be equivalent 1kg = 1x103g = 1000g 1 1000 5000
6. 6. 1024 Yotta (Y) (y) yocto 10-24 1021 Zetta (Z) (z) zepto 10-21 1018 Exa (E) (a) atto 10-18 1015 Peta (P) (f) femto 10-15 1012 Tera (T) (p) pico 10-12 109 Giga (G) (n) nano 10-9 106 Mega (M) (μ) micro 10-6 103 Kilo (k) (m) milli 10-3 102 Hecto (h) (c) centi 10-2 101 Deca (da) (d) deci 10-1 5 kilograms 5(1x103) grams= 93 Megameters 93(1x106) meters= 2 picoliters 2(1x10-12) milliliters=
7. 7. SI prefixes can only be used with SI units without prefixes!  Similar in English. You could not add more prefix to a word that already has prefix! inflammableUN
8. 8. Similar in English. You could not add more prefix to a word that already has prefix! milligramsMega SI prefixes can only be used with SI units without prefixes! 
9. 9. How do you convert a Megameter to millimeter? Megameter meter millimeter
10. 10. SIG FIGs
11. 11. 1. Ignore leading zeros 0.00675 Sig Fig = 3
12. 12. 2. Ignore trailing zeros, unless they come after a decimal point 45,000 94.00Sig Fig = 2 Sig Fig = 4
13. 13. 3. Everything else is significant 23,008,000,000 1430.0608 Sig Fig = 5 Sig Fig = 8
14. 14. Algebraic Transformation
15. 15. a Vf - Vi t Deriving equations simply is isolating what we want to make a formula for For example: We are are deriving an equation in finding t What do we have to do to isolate t?
16. 16. a Vf - Vi t For example: We are are deriving an equation in finding t
17. 17. a Vf - Vi t For example: We are are deriving an equation in finding t Vf - Vi Vf - Vi
18. 18. a t For example: We are are deriving an equation in finding t Vf - Vi
19. 19. a Vf - Vi t How about: finding the equation for Vf tt
20. 20. ta Vf - Vi How about: finding the equation for Vf + Vi+ Vi
21. 21. ta Vf How about: finding the equation for Vf + Vi
22. 22. a Vf - Vi t How about: finding the equation for Vi tt
23. 23. ta Vf - Vi How about: finding the equation for Vf Vf -Vf -
24. 24. ta Vi How about: finding the equation for Vf Vf -
25. 25. Exercise!!! >:(
26. 26. Give the derived equations for the ff. “Vi” 1) 2ad = Vf – Vi “Tf” 2) Q = mc(Tf – Ti) “v2” 3) F = mv2 r
27. 27. Convert the ff. 14.82 milliliter = ? meters 450 centigrams = ? grams 2.08 yoctometers = ? megameters 4.65 deciseconds = ? centiseconds 0.00053 meters = ? micrometers
28. 28. More!!! >:(
29. 29. When a turtle travels at constant speed, the distance covered (d) is directly proportional to the time of travel (t). If a turtle travels 1.8 kilometers in 1.50 hours, how far will the same turtle travel in 5.50 hours? speed distance time Relationship of variables and derivation
30. 30. The weight of 54 kg of bananas on Earth weights 83 kg on Planet X. If a turtle weights 4.52 kg on Planet X, how heavy is the turtle on Earth? Conversion