Math/Physics

215,876 results, page 27
  1. physics

    Name Two solid materials having very low linear expansivity ?
  2. Physics

    Who was the scientist who first developed the notion of quantization was...? Was it DeBrogile?
  3. physics

    At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
  4. physics

    why convex lens forms sn inverted image?
  5. Physics

    Calculate (in MeV ) the total binding energy for 40 Ca.
  6. Physics

    how does the M.A. and the I.M.A of the inclined plane vary with the inclination angle?
  7. physics

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

    Calculate (in MeV ) the total binding energy for 40 Ca.
  9. physics

    What is the value of charge of a body that Carries 20 excess electrons
  10. physics

    What is meant by the term uniform electric field?
  11. Physics

    Who was the scientist that invented the uncertainty principle ? Was it Heisenberg?
  12. physics

    An electron travels 2.7 m in 6.37 × 10−8 s. How fast is it traveling?
  13. Physics

    Is there normal contact force on a frictionless surface?
  14. physics

    Name Two solid materials having very low linear expansivity ?
  15. physics

    how does the M.A. and the I.M.A. of the inclined plane vary with the inclination angle?
  16. physics

    Find the length of a pendulum that oscillates with a frequency of 0.25 Hz
  17. Physics

    By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?
  18. Physics

    What is the speed of an object in circular motion called?
  19. Physics

    How do you calculate the earth's gravitational pull on astronauts?
  20. physics

    Find a vector of magnitude 18 which is perpendicular to both the vectors 4i^-j^-3^ and -2i^+j^-2k^.
  21. physics

    Determine the kinetic energy of an object 8.0 kg going at a speed of 12.0 m/s.
  22. Physics

    what are 2 examples of elastic collisions not discussed in class
  23. Physics

    How does the amplitude of a matter wave relate to probability?
  24. physics

    Why is voltmeter connected in parallel in electric circuit?
  25. Physics

    What Precaution should be take in static and kinetic friction experiment?
  26. physics

    Carrying out the following mathematical manipulations: (5.78 +/- 0.04)^2 How do you set this problem up?
  27. physics

    What is the longest wavelength that can be heard by a normal ear?
  28. Physics

    How can we find the resultant force if the mass and SPEED are given?? Help me please!!
  29. physics

    Why projectiles launched at complimentary angles have the same range?
  30. Physics

    What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
  31. physics

    which natural phenomenon can describe light as a wave?
  32. physics

    How to calculate the series AC coupling capacitance? Is there an equation for this? Thank you for any help
  33. physics

    how far will you travel if you maintain a speed of 100m/s for 30s?
  34. physics

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

    At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
  36. physics

    How long does it take the second hand of a clock to move through 4.00 rad?
  37. physics

    if the velocity of a moving object is constant, the acceleration is?
  38. 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) )
  39. physics

    one electron travels twice as fast as another. Which has the longer wavelength?
  40. physics

    the acceleration of an object and the net for acting on it are proportional
  41. physics

    how long does a car with an acceleration of 2.0 m/s^2 take to go from 10m/s to 30m/s?
  42. physics

    how long the ball takes to reach the groud
  43. Physics

    What is the final temperature when 8.1 x 105 J are added to 1.50 kg of ice at 0.0 °C?
  44. physics

    what is the formula for finding the decrease in kenetic energy
  45. Physics HELP

    how do u conver 334 (m/s) to acoustic independence unit? kg(m^2s)
  46. physics

    what do you understand by the statement density of gold is 19.6 gm/cm3?
  47. physics

    why do we not feel weightless even though we are in "free fall" toward the sun?
  48. Physics

    what equation would I use to find the magnitude of the mass's velocity?
  49. Physics

    Why does a gun move backward(recoil) when it is fired?
  50. physics

    Which of the following statements is false regarding the ‘drift’ of charge carriers?
  51. physics

    is it possible to launch satelite whìch rotates just above kathmandu?
  52. Physics

    How far does a photon (light) move in one nm in units of feet?
  53. physics

    five factors that affect the rate of diffusion in GASES
  54. Physics

    a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is
  55. physics

    why are water tanks broader at the bottom than at the top
  56. Physics

    a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is
  57. Physics

    a water wave has frequency 0.40 Hz and wavelength 2.0m. Its speed is
  58. physics

    How can I convert 0.06981 radians/ sec^2 to rpm?
  59. PHYSICS

    FIND THE LENGTH (IN CM) OF A PENDULUM WITH A PERIOD OF 1.20S.
  60. Physics

    what happens to the index refraction of air as temperature increases?
  61. physics

    If you do 100 j work in 50 seconds, then your Power output is
  62. physics

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

    When you look at a distant galaxy through a telescope, how is it that you're looking backward in time?
  64. Physics

    You drop a rock off a bridge. 4. (2 pts) How fast is it going after 2.0 s?
  65. physics

    the frequency of sound wave is 32 Hz .what is the time period?
  66. physics

    DEFINE WITH FORMULA AREA AND VOLUME EXPANSIVITY
  67. physics

    what are the two forces that affect the motion of a child as she comes down a slide?
  68. physics

    DEFINE WITH FORMULA AREA AND VOLUME EXPANSIVITY
  69. physics

    How many coulombs of positive charge are in 3.8 mol of O2 gas?
  70. Physics

    How is Snell's law being used in real life application?
  71. Physics

    How much work must be done on a 500-kg car to accelerate it from 29-km/hr to 112-km/hr?
  72. physics

    Given three vectors a~=Ài~À4j~+2k~ , b~=3i~+2j~À2k~ , c~=2i~À3j~+k~ , calculate a~Á(b~c~)
  73. Physics

    find the direction and magnitude of the vectors : a. A=(25m)x+(-12)y b. B=(2.0)x +(15)y c. A+B
  74. Physics

    Why do objects illuminated by moonlight lack color?
  75. Physics

    Write a Balmer formula and explin each terms
  76. Physics

    Write a Balmer formula and explin each terms
  77. Physics

    Your velocity changes from 50 m/s to the left to 10 m/a to the right in 15s, what is your average acceleration?
  78. college physics

    As wavelengths decreases, energy _____.
  79. Physics

    Is mass the one and only thing that produces a gravitional force???
  80. physics

    A boy walks 13 km in 2.0 h. What is his speed in km/h and m/s. Show work.
  81. Calc and Physics

    Damon and Reiny. Thanks for your quick and thorough responses.
  82. mathematical physics

    Show that : vector del(r^2) = 2vector r
  83. physics

    Before a collision, a 28 kg object is moving at +13 m/s. Find the impulse
  84. Physics

    How to get the equivalent resistance in this figure -----------r2------- | | | Battery. R1 R3 | | | -----------R4------ Values: R1= 90 R2= 50 R3= 40 R4= 20
  85. Physics

    is electric field intensity the same as potential difference?
  86. physics

    write an derival quantity,formulae and unit
  87. physics

    What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)?
  88. Physics

    Derive the coefficient of surface tension for water
  89. physics

    In a uniform magnetic field, can an Amperian loop ever have a non-zero value
  90. Physics

    Write the Balmer formular and explain each tearm
  91. Physics

    true or false.Initial velocity is always equal to zero
  92. Physics

    Why solids conduct better heat than liquids and gases ?
  93. PHYSICS

    FIND THE MASS OF A 200 n BABY ELEPHANT
  94. Physics

    What are some scientific questions that can be asked about projectile motion?
  95. Physics

    How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?
  96. physics

    does sunlight warm your body with light waves yes or no and why
  97. physics

    State the conditions for total internal reflection
  98. physics

    A bus slows down uniformly from 50.9 km/h (14.1 m/s) to 0 km/h in 27 s. How far does it travel before stopping?
  99. physics

    If 53 W of power are exerted and the amount of work done is 7 N-m, how much time did it take?
  100. Physics

    Derive the coefficient of surface tension of mercury