Physics 1 Problem Solutions 81

Physics 1 Problem Solutions 81 - Chapt. 7 Kinetic Energy...

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Unformatted text preview: Chapt. 7 Kinetic Energy and Work 77 a) 30 J. b) conserved. c) not conserved. d) only kinetic energy. e) sometimes conserved. 007 qmult 00140 1 1 1 easy memory: dimensions of energy 8. The physical dimensions of energy are: a) ML 2 / T 2 . b) ML / T 2 . c) ML 2 . d) ML 2 / T. e) M / T 2 . 007 qmult 00142 1 1 1 easy memory: unit of energy, the joule Extra keywords: physci 9. The standard SI unit of energy and of work is the: a) joule (J). b) newton (N). c) kelvin (K). d) bassingthorp (B). e) trufflehunter (T). 007 qmult 00180 2 1 1 moderate memory: energy necessity and sufficiency Extra keywords: physci 10. That one has enough energy for a certain job or transformation that requires energy E is a condition, but NOT a condition for the job or transformation. a) necessary; sufficient b) sufficient; necessary c) inevitable; necessarily so d) harmonious; ceremonious e) forbidden; given 007 qmult 00182 1 4 5 easy deducto-memory: energy and money Extra keywords: physci 11. Lets play Jeopardy...
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