Math/Physics

214,834 results, page 27

  1. Physics

    In a P-T graph, does time always have to be on the x-axis(bottom)?
  2. physics

    Which truck has more momentum?? 20kg*m/s or 20000kg*m/s??? HELPPP!!!
  3. Physics

    using uniform acceleration, how can I find the displacement of an object?
  4. physics

    A bicycle is moving at 8.3 m/s. What is the angular speed of its tires if their radius is 42 cm?
  5. Physics

    Find the velocity after a stroller has traveled 6.32m.
  6. physics

    why are fossil fuels fond buried under rock
  7. physics

    Is a current carrying wire electrically charged? Explain.
  8. Physics

    What are the vector components? Would direction and speed be apart of it?
  9. Physics

    What two ways can waves interact? ^I have no clue what its asking
  10. physics

    describe the death of a massive star (10 solar masses)
  11. Physics

    find gravitational field which produces semicircle. To get the answer g=(1/y^3)
  12. physics

    What.is.the.weight.of.a.150.lb.person.in.newtons?.what.is.his.mass.in.kilograms?
  13. physics

    What,is,the,weight,of,150lb,person,in,newtons?,What,is,his,mass,in,kilograms?
  14. physics

    How does the construction of the astro blaster increase GPE? How does this affect the KE?
  15. physics

    What are examples of when friction can increase an objects Kinetic Energy?
  16. physics#30

    Why dosen't a transformer work with direct current? why is ac required?
  17. physics#36

    Can an efficient transformer step up energy? Defend your answer.
  18. Physics

    What exactly are you seeing when you observe a "water-on-the-road" mirage?
  19. Physics -HS Honors

    When computing the gravitation force, how do you know what the direction of the solution?
  20. Physics

    If it is $ .20 $/kWh x 10kWh = Would it cost $2.00 per hour?
  21. Physics

    How can you determine the polarization axis for a single sheet of Poloroid?
  22. Physics

    If a cannonball and a BB have the same speed, which has the longer wavelength?
  23. Physics

    Does the uncertainty principle tell us that we can never know anything for certain?
  24. Physics

    Who was the scientist who first developed the notion of quantization was...? Was it DeBrogile?
  25. Physics

    In the photoelectric effect, what determines the number of ejected electrons?
  26. physics

    How do we derive these laws: (most of the time, the numbers are subscript) v'2 = v1 * ( (2 * m) / (m1 + m2) ) + v2 * ( (m2-m1) / (m1+m2) ) & v'1 = v1 * ( (m1-m2) / (m1+m2) ) + v2 * ( (2 * m2) / (m1 + m2) )
  27. physics

    When a nucleus emits a beta particle, it's atomic number is ?
  28. Physics

    Describe how the range of a projectile varies with launch angle.
  29. Physics

    How does the length, thickness, and temperature of a wire effect the resistance?
  30. Physics

    What is the Michelson and Morley experiment? Please don't give me Wikipedia
  31. physics

    how to find total displacement of a cheetah that can run 117km/h for 30.0s
  32. physics

    what is the acceleration of a car that travels in a straight line at 100km/hr
  33. physics

    The slope of the tangent on a position time graph equals what?
  34. physics

    density of silves is 10.5 X 10^3 kg/m^3. find the volume occupied by 2 kg of silver.
  35. Physics

    An object traveling through the air has what forces acting on it.
  36. PHYSICS

    aN OJECT TRAVELING THROUGH THE AIR HAS WHAT FORCES ACTING ON IT?
  37. PHYSICS

    WHEN AN OBJECT IS SUSPENDED IN WATER, IN WHICH DIRECTIONS ARE FORCES APPLIED.
  38. physics

    Determine the tangential speed of a point .4 m from the center of the wheel?
  39. physics

    what is reason for saturation current in reversed biased diodes
  40. physics

    Why must the spectrometer be aligned each time a grating is replaced?
  41. physics

    can a mechanical advantage of a simple machine be les than 1? explain
  42. physics

    can a mechanical advantage of a simple machine be les than 1? explain
  43. physics

    In what two situations will a car have balanced force?
  44. Physics

    How fast does a car have to accelerate to go from 10.0 m/s to 30 m/s in 125 meters?
  45. physics

    what are the draw backs of hugyen's wave theory of light?
  46. physics

    Could you please help me: Does plasma have a definite shape or volume?
  47. Physics

    What is the difference between radiant, solar, and thermal energy? Thanks
  48. Physics

    how do you tell if two vectors vertical components are equal?
  49. Physics

    I'm having problems with this: Compare the trajectory of a planet and a comet.
  50. Physics

    I'm still unsure how to do that problem that I posted below can anyone tell me how to do it?
  51. Quick Question

    Who is the founder of Quantum Physics? Please help. Urgent.
  52. Physics

    Is there a formula for heat of fusion equal 334kJ/kg for ice?
  53. physics

    differentiate mathematically, between resistances in series and in parrallel
  54. physics

    How are you able to determine if conservation of momentum occurs in each collision?
  55. Physics

    Explain how a galvanometer functions, using electromagnetic principles.
  56. physics

    what are three careers that belong to the life science branch?
  57. physics

    Calculate the watts equivalent of 22kilocalories consumed in 24 hours
  58. Physics

    What does the area under a velocity vs. time graph represent??
  59. physics

    a ramp is 0.5m high and has a slope of 4m long.what is the mechanical advantage?
  60. Science-Physics?

    Hi simple question which of these have the dimension as length? A) a*t^2 B) v^2/2*a C) a*v D) (v^2*m)/F
  61. physics

    write out the electron configurations for each of the metallic ions: 1. Ba^2+ 2. Cu^2+ 3. Li^+ 4. K^+ 5. Sr^2+ 6. Ca^2+ 7. Na^+
  62. physics

    A 12 V battery will increase the potential energy of 2.1 C of charge by how many joules?
  63. physics

    How would an astronaut in apparent weightlessness be aware of her mass?
  64. physics

    How would an astronaut in apparent weightlessness be aware of her mass?
  65. Physics

    40 g of gasoline are mixed with 45 g of water. What is the average density of the mixture?
  66. Physics

    Why do ironic compounds have high melting points?
  67. physics

    what is the difference between high octane and regular gasoline
  68. Physics

    What is the kinetic energy of a 1500 kilogram object moving at 25 m/s?
  69. Physics

    List the fossil fuels in order in which they will probably be used up.
  70. Physics

    What is the weight (in Newtons) of an object with a mass of 25 kg on the surface of the Earth?
  71. Health Physics

    When work is done by friction, in what form in energy "lost"?
  72. Health Physics

    What type of machine are the joints of the human body?
  73. Health Physics

    What type of machine are the joints of the human body?
  74. physics

    the oxidation numbers of the elements in a compound must add up to
  75. physics

    the oxidation numbers of the elements in a compound must add up to what
  76. Physics

    A force of 0.20N acts on a mass of 100g. What is the acceleration?
  77. physics

    why fans are placed at certain height below celing?
  78. physics

    If 2.0J of work is done in raising a 180g apple, how far is it lifted?
  79. physics

    Why does a gas become hotter when compressed by a piston in a cylinder?
  80. physics

    how to see if the barber has cut your hair properly at the back?
  81. physics

    1.calculate the commutators a/ [x^2,p^2] b/ [a,a^+n] I don't know how to solve it. Please help. I really appreciate.
  82. physics

    What is the kinetic energy of a 62kg cyclist if she is moving on her bicycle at 8.2 m/s?
  83. physics 12- dynamics

    A 5kg block slides down an incline of 25
  84. physics

    in what direction will a freely suspended magnet come to rest?
  85. PHYSICS

    what does it mean to be outside the focal point of a converging mirror?
  86. Physics

    Explain why the pressure at depth h in a stationary fluid is `rho g h.
  87. physics

    Explain why the pressure at depth h in a stationary fluid is `rho g h.
  88. Physics

    With speed 75m/s and period 5.42ms, calculate the wavelength.
  89. physics

    In the frictionless apparatus m1=1.7kg What is m2 if both masses are at rest
  90. Physics

    Does the law of reflection only apply to mirrors or any object?
  91. Physics

    What is a mirror ( reflective surface and back) made out of?
  92. physics

    Why is 9.8 used as g on Earth but nowhere else in the solar system? Explain.
  93. physics

    Is there any investigations of forced oscillations of the spring-mass system?
  94. physics

    The wavelength of yellow sodium light is 589 nm. What is its frequency? 1 Hz
  95. physics

    if a piston is insulated and being pushed, is the temperature increased
  96. Physics

    Find the components of the vector with length = 1.00 and angle 30.0 as shown.
  97. Physics

    the energy of a ball rolling up an inclined place plane is?
  98. physics

    If the borderline is tau equals zero,the eigen values are?
  99. physics

    a 20.0L sample of hydrogen gas has a mass of 1.80g. What will its density be in g/ml?
  100. physics

    how much energy is needed to heat 50 grams of ethanol
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