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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. Length of a wave






2. Equals total momentum after collision






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






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






5. The combination of force and point of application






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






7. It increases






8. 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.






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






10. A disturbance that propagates through a medium






11. Heat into system - work done by system






12. Not easy to knock over






13. 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.






14. The total disorder of an object






15. V x A= constant






16. 1 -000 kg/m^3






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






18. F=mass x acceleration

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






20. Distance traveled / time






21. 1.25 kg/m^3






22. The total force (positive and negative) acting upon an object






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






24. The effectiveness of a material in conducting heat






25. 25%






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






27. Rod with forces applied at opposite ends in the same direction






28. P x u x A






29. Time required to complete one cycle






30. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).






31. Work done / heat in






32. ?






33. Initial velocity = acceleration x time






34. Maximum displacement from equilibrium






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






36. C/n






37. Initial velocity= the square root of 2gh






38. Pressure x area






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

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40. 2 -700 kg/m^3






41. Change in velocity / time






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






43. 1 / period (time)






44. Solids - liquids - gases






45. Speed of light / wavelength






46. 18600 miles/sec






47. 2 -700 kg/m^3






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






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






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







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