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Everyday Physics

Subjects : science, literacy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. You cant get as much out as you put in






2. Number density x temperature






3. Heat is transferred directly through a material with no bulk movement of material






4. The heat transfer by electromagnetic waves - thermal light waves






5. Current x resistance






6. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






7. Heat Q= mass of sample x specific heat x temp change






8. Heat is carried from place to place by the bulk movement of either liquids or gasses






9. You can't get more work out than the energy you put in






10. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.






11. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.






12. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)






13.






14. P(P2-P1)D^4/128Ln n=fluid's viscosity






15. Current x voltage energy/time (joules per second)






16. V x A= constant






17. Fbottom-Ftop=mg=(density x vol) x g






18. Time required to complete one cycle






19. ?






20. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.






21.






22. T=2p square root m/k frequency= square root k/m;/2p






23. Because nothing stops it






24. Pascal (Pa) or pounds per square inch (psi)






25. P(P2-P1)D^4/128Ln n=fluid's viscosity






26. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






27. C/n






28. Believed that the natural state of objects was to be at rest






29. Force x lever arm






30. A disturbance that moves through something






31. Weight of displaced water=volume of displaced water in liters x 10 n / liter






32. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.






33. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +

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34. Sounds above 20 -000 Hz






35. Initial velocity= the square root of 2gh






36. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s






37. A disturbance that moves through something






38. It increases






39. C / f






40. The effectiveness of a material in conducting heat






41. If the CG is above the edge - the object will not fall






42. Pressure x area






43. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)






44. How much torque it takes to get an object rotating






45. Rod with forces applied at opposite ends in opposite directions






46. Z+n






47. Length of a wave






48. Mass x gravity






49. Heat into system - work done by system






50. 18600 miles/sec






Can you answer 50 questions in 15 minutes?



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