Elementary Principles 4

# Elementary Principles 4 - 2.15 (a) F = ma 1 fern = (1...

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2- 4 2.15 (a) Fm a =⇒ F H G I K J =⋅ 1 1 6 53623 1 fern = (1 bung)(32.174 ft / s bung ft / s fern 5.3623 bung ft / s 22 2 ). (b) On the moon: 3 bung 32.174 ft 1 fern 6 s 5.3623 bung ft / s fern On the earth: = 18 fern W W = = = 3 3 32174 () ( . )/ . 2.16 (a) ≈= = (.) (. ) 39 2 7 2 7 8 632 23 (b) 4 5 46 4.0 10 11 0 40 (3.600 10 ) / 45 8.0 10 × ≈≈ × ×= × (c) ≈+ = += 2 125 127 2 365 1252 127 5 .. . (d) ≈× × × ×− × 50 10 1 10 49 10 5 10 4 753 10 9 10 5 10 33 34 424 . 2.17 15 4 23 6 3 (7 10 )(3 10 )(6)(5 10 ) 42 10 4 10 (3)(5 10 ) 3812.5 3810 3.81 10 exact R R ×× × × × × × (Any digit in range 2-6 is acceptable) 2.18 (a) A: C C C o o o R X s =− = = ++ + + = = −+ = 731 72 4 0 7 72 4 72 6 72 8 730
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## This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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