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Show 278 NAME TIME DIRECrnONS: (3) steps ar scient i fic use 1. t he Ca!.'efulli t ea. correct hmet i The no t a t i on , largest telescopes many years wouldSit 3.0 X 10 m/ take pr-ob Lern t hen show: (1) fact di2grarr: (2) procedural c (4) numo r i ca.L answer and (5) unit answe r-. If helpful, d i re ns i cn ::1alj'sis, _g-rar::s and charts. proper s Lgn.i.f i.c ance a , detect space objects 10 septillion can for licht from t ho se from earth. m HO'1 cje c t.s to reach earth if light sec and. if there travels is about .00000003 year in 3. second? HINT: How TD2ny sec Vlould it take hgnt to travel 10 septillion m? How many years? (Counting: millio!l, billion, trillion '1uadri II ion , q'Jintillion, sextillion, septillion, octillion, non.Lllio!l, Qc;cillion.) Com::llete this nroceedure: Dr;:;.y, 1. factual a ciL'·f:ram Lat.e Tl.ed to fi1) \..S?J "'f-- EARTtI o show all rla bonship: 3.0 m > lOB m/sec X J I" -' . 1" useD t 1 i lJ.lon tfl-):. ,- DISTANT ,-..j_,. OB.JECT 2. What answer is required? State the units and Hat thev rr.easuro as a fraction. 3a. Convert all noers to scientific notation, large or small ones. b. Round off over=accurat e numr e r s or add accur-acy to "exact number-s" as needed. esecially Express each c. nurnce r X? lOS 3.0 X ? 1 in fraction form 1 ?? m or they mea.sure: ? ? ???? sec 4. SUP1)ly any missin9' facts i +s units and what with use a formula if it i.s necessary. 5. Match the fact UI',.i ts with +he ansve r llnitsbv .i nve r t i ng fractions if necessarv. 6. Cance L ( divide) all unnece asarv units by invrtin fractions i.f r.ecessary. 7. Conbine all digits by doing the indicated operations fro previous steps. 8. Cornb i.ne all ex-vonerrt s 10110\o1inr the rules for ex oonerrt handling. 9. Does the final ariswe r sound r-e aconar-Le? Check it. O. liake sure your proceedure is neat and orderly. tat te answe r is labelled. " . 2. 1. 0 kg of air pr-o ssur-e is exp8rienced earth. total TG sur I'ace area on eaxL-. is on e ach 5.2 X 18m2 of sea 1018 cra2• 1e7e1 sur f'ace area on Heglecting continenta.l how many metric tons (megagTarns) is the total air pressure on earth? How could How much pressure woul d be exoe r i.cnced on all the cm2 on earth? l. If ccnf'use d , follow the proceedure for Prob this be converted to ne t r i c tons? heights, HINT: , DIAGRhH: I II 2 1 3. \-la.ter we diver with cm . .... 5.2 X 1018 W 1 kg i.ghs 1 g for each 1 10,000 cm2 HINT: How much does would push on his of volume. kg of weight would a skin of 5 m? dept weigh? How many of these How many experience at a co Iumn of vat.e r 5 m deep and 1 em of skin a cm3 2 em skin area? area Fo LLow the pr-oc e edur-e for Prcb , 1 and add 2 facts. DIAGRAN: 1 cm3 1 g 4. \{hat is the average em 6.4 X radius of lOS 5 m I cm2 skin _lO.OOO(in g/c3) desit f Tock in2the 7 g? earh (v 4/3;rr») ana '.-I(ngns 6.0 X 10 area if the earth has a = One co3 ....rou.l d weigh how much? is the vo Lume of the earth in cm3? as percents or some nbers found in formulas such nThbers dimensionless (note: In such cases, apply the formula by substituting can cOnluse dimension a::1alysis. the full proceedure.) the numbers for the letters before using HI1-!"-T: Hhat proper DIAGRAH: ....._--- 6.4 6.0 X 10 X 8 cm 1027 g weight |
