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9_Physics ProblemsTechnical Physics

# 9_Physics ProblemsTechnical Physics - Chapter 1 9(a F 6 10...

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Chapter 1 9 P1.29 (a) 6 10 1 1 1 190 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 = \$ 1 000 \$ s h 3 600 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 3 7 π . . × = × m m e j . 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 9 30 10 2 32 10 11 4 . . × × = × m 4.01 0 m times 7 . P1.30 N m m atoms Sun atom kg 1.67 kg atoms = = × × = × 1 99 10 10 1 19 10 30 27 57 . . P1.31 V At = so t V A = = × = × 3 78 10 25 0 1 51 10 151 3 4 . . . m m m or m 3 2 µ b g P1.32 V Bh = = = × 1 3 13 0 43 560 3 481 9 08 10 7 . . , acres ft acre ft ft 2 3 a f e j a f or V = × × F H G I K J = × 9 08 10 2 83 10 1 2 57 10 7 2 6 . . . ft m ft m 3 3 3 3 e j B h FIG. P1.32 P1.33 F g = × = × 2 50 2 00 10 2 000 1 00 10 6 10 . . . tons block blocks lb ton lbs b g
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