9_Physics ProblemsTechnical Physics

9_Physics ProblemsTechnical Physics - Chapter 1 9 (a) F 6...

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Chapter 1 9 P1.29 (a) 61 0 1 11 190 12 × F H G I K J F H G I K J F H G I K J F H G I K J = $ 1000 $ s h 3600 s day 24 h yr 365 days years (b) The circumference of the Earth at the equator is 2 6 378 10 4 01 10 37 π .. ×= × m m ej . The length of one dollar bill is 0.155 m so that the length of 6 trillion bills is 9 30 10 11 . × m. Thus, the 6 trillion dollars would encircle the Earth 930 10 232 10 11 4 . . × × m 4.01 0 m times 7 . P1.30 N m m atoms Sun atom kg 1.67 kg atoms == × × 199 10 10 119 10 30 27 57 . . P1.31 VA t = so t V A × 378 10 25 0 151 10 151 3 4 . . . m m m or m 3 2 µ bg P1.32 VB h 1 3 13 0 43 560 3 481 908 10 7 . ., acres ft acre ft ft 2 3 a f af or V × F H G I K J 283 10 1 257 10 7 2 6 . . . ft m ft m 3 3 3 3 B h FIG. P1.32 P1.33 F g = × 2 50 2 00 10 2 000 1 00 10 0 . tons block blocks lb ton lbs * P1.34
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