Wednesday, February 27, 2013

Brooklyn Math Tutor

Addled by Algebra? Tortured by Trig? Oppressed by the SAT?

Math captivates me; let me help you cultivate your confidence, quench your quantitative curiosity and possibly— just possibly— unleash your inner math nerd.

I Specialize In:

  • Regents Level Math: Pre-Algebra, Algebra I and II, Geometry, and Trigonometry
  • Regents Level Science: Physics, Earth Science
  • College Level Math: Pre-Calculus, Calculus, Probability, Statistics, Discrete Math
  • Standardized Test Prep: SAT I, SAT II Math I and IIc, ACT
  • H.S. Entrance Exams: SHSAT (Stuyvesant, Brooklyn Tech), Hunter High School
  • Graduate School Exams GRE, GMAT, and others
  • Math Enrichment: From High school and up!

Don’t see the topic you need help with here? Ask me, I may still cover it. Phone: 718-223-0228 Email: admin@TutorState.com

http://www.Tutorstate.com

Tuesday, February 26, 2013

Фотографии с комментариями - SunJam 24.02.12

Фотографии с комментариями - SunJam 24.02.12

Otto cycle thermal efficiency

Some Otto cycle with a two-atomic ideal gas has thermal efficiency of 50%.
What will be the thermal efficiency of the Otto cycle with the same gas, if compression ratio will be increased twice?

Carnot cycle


    In some Carnot cycle the cooler temperature is 0ºC and the heater temperature is 273 ºC. What kind of percent of changing of the thermal efficiency gives the 1% of changing of the cooler temperature. Decreasing of the cooler temperature gives increasing or decreasing of the thermal efficiency?

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