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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. Work done / heat in






2. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.






3. Force per unit area






4. The energy that flows from one system to another because of their temperature difference.






5. 11 -000 kg/m^3






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






7. 10 m/s^2






8. You cant get as much out as you put in






9. V x A= constant






10. Fbottom=Ftop+mg where mg is the weight of the volume






11. The combination of force and point of application






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






13. 9/5T(C)+32






14. The combination of force and point of application






15.






16. 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.






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






18. Speed of light / wavelength






19. F=mass x acceleration

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20. The center of an object






21. 5/9 [T(F)-32]






22. The change in internal energy= the heat absorbed- the work done






23. T(C) +273






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






25. Net force=0 net torque=0






26. An object that is thrown or struck or shot and then travels under the influence of gravity






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






28. The effectiveness of a material in conducting heat






29. Sounds below 30 Hz






30. Hf






31. The level stays the same






32. 10 m/s^2






33. Time= the square root of 2 x height / acceleration due to gravity






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






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






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






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






38. 18600 miles/sec






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






40. C / f






41.






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






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






44. The change in internal energy= the heat absorbed- the work done






45. Time= the square root of 2 x height / acceleration due to gravity






46. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.






47. 1 -000 kg/m^3






48. A disturbance that propagates through a medium






49. Equals total momentum after collision






50. Number density x temperature