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






2. Distance traveled / time






3. 11 -000 kg/m^3






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






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






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






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






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






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






10. It increases






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






12. Length of a wave






13. Initial velocity= the square root of 2gh






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






15. 2 -700 kg/m^3






16. 18600 miles/sec






17. 5/9 [T(F)-32]






18. Pressure x area






19. 9/5T(C)+32






20. Heat into system - work done by system






21. Sounds above 20 -000 Hz






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






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






24. The study of heat and its transformation into mechanical energy






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






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






27. Change in velocity / time






28. Sounds above 20 -000 Hz






29. Force per unit area






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






31. Are wider at the base (which lowers their center of gravity)






32. Sounds below 30 Hz






33. Kg/m^3






34. C/n






35. 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.






36. 1 / period (time)






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






38. 100 -000 n/m^2






39. 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).






40. It increases






41. Equals total momentum after collision






42. 10 m/s^2






43. Because nothing stops it






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






45. F=mass x acceleration

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46. New theory that explained behavior at the atomic level






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






48. The effectiveness of a material in conducting heat






49. Mass x specific heat x temperature change






50. A disturbance that moves through something