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PHYS 122 quiz 1 solutions

PHYS 122 quiz 1 solutions - Why 12 €alcya...

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Unformatted text preview: Why 12 - €alcya Filmer @7QV7 @1112 I 26 September 2007 3 1. Hands~on science museums sometimes have a bed of nails {or people to lie on. (Have you ever done this?) Why aren’t people punctured by the nails? How would this change it a person were to stand on the bed of nails? on'wlc M+ m+ um m Mil; WW wllzoht/fl/v) M if.) JMJ-Gccgwi ma, 41:) Mad ‘ 444., force 0(— m Mm (Wekab‘i) curb) AAMMM ‘2. A steel cube 0.50 m on each side is suspended from a scale and immersed in water. What will the 3/ 9 scale read. w?- 95444 > 9“,}: (o = 0-30 W‘ object sws e v, — v 9m. g 4.3103 25/”: V" 5 P‘ ‘ 2 can ww—putgw -,-. V ( .. 3:44.qu 9“ o s \03 “(WW3 3 9° 9-9) \/.9 6 Vi 7. We» 4 7 Wa = (arm-MW 9-3”151)E9-3‘l°3 " 403) WW3] -7. ' V= (0.30m); =25r‘lo m3 wa = 4.80‘103N 2. M Ouellette, ‘25 September 2007 Page 1 of 1 ...
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