Math/Physics

214,413 results, page 83

  1. math

    what is the math term with the letters enitmelgens unscrambled
  2. math

    what is input output in 3rd grade math
  3. math

    are we allowed to use calculators in sat 1 math?
  4. math

    Find the sum using mental math 24 + 71 =
  5. math

    Solve for the value of x using mental math.1/4x = 1/4
  6. math

    whats a math problem for 48 divided by 8 equals 6
  7. math

    multiply using mental math 25*400=
  8. subtraction (math)

    How do you find 81 - 16 using mental math?
  9. Math

    Solve the equation using mental math. 6 6/7 = n + 5 3/7 = ?
  10. Math

    How do I go about solving this math problem. -172=-1-9p
  11. Math

    How do I solve this math problem. -2-10a=158
  12. math

    what is the math trivia of direct square variation?
  13. Math

    Happy late pi day to you math lovers.
  14. Math

    n^3+2n is the multiple of 3 prove it by math induction method
  15. Math

    I need help with a math test 5 wks. from now! Help me!!!!!!!!!!!!!!!!!
  16. Math

    what is 8x25x23 in mental math use subtraction
  17. Math

    Please solve the Q look ( nina, math)
  18. math

    How to write math paragraph for k+8=5 and, w+12=5 8th grade
  19. Math

    explain how to find 40 x 50 using mental math
  20. math

    how do you do 6th grade math cryptic quiz ?
  21. math

    roetopodsaoenrfir need to unscramble for a math paper
  22. COMMON CORE MATH

    What does method mean in math?
  23. math

    why shud math be included in alll the streams
  24. Math

    17Min and 38mind explain the mental math
  25. Math

    My math question is: 3 3 -5 (2x2) - (10-6) . 4 My answer is 15/16 Am I correct
  26. Math

    I need help with this math problem. From the reciprocal of 1/9 take 3 2/5.
  27. Math

    Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?
  28. Math

    What is the difference between exponents and subscripts in math?
  29. Math

    Can you help with a math word problem on rates and ratios
  30. Math

    2/3+3/4= 8/12 + 9/12= 17/12=1 4/12=16/12=8/6=4/3=1 3/3=2 Can you please be so kind as to check my math problem. Thank you
  31. Math

    Tell how to find 81 - 16 using mental math
  32. Math

    insert +, -, X, /, and () to make each math statement true 4 4 4 4 = 10 4 4 4 4 = 6
  33. Math

    3 3/15+4 and 2/ I'm terrible at math I need some help on this one 2
  34. math

    for math test ncca/ equations and inequal
  35. Math

    on tuesday evening randy spent 18 more minutes working on his math homework than he spent working on his philosophy readings. If he spent a total of 126 minutes on those two subjects then how much time did he spend on his math homework?
  36. physics

    How does the width of the central region of a single-slit diffraction pattern change as the wavelength of the light increases? Look at the formula on this.
  37. PHYSICS

    IF JOE RIDES SOUTH ON HIS BIKE IN A STRAIGHT LINE FORE 15 MIN WITH AN AVERAGE SPEED OF 12.5KM/H, HOW FAR HAS HE RIDDEN?
  38. PHYSICS

    SIMPSON DRIVES HIS CAR WITH AN AVERAGE VELOCITY OF 48.0KM/H TO THE EAST. HOW LONG WILL IT TAKE HIM TO DRIVE 144KM ON A STRAIGHT HIGHWAY?
  39. Physics

    If a projectile is fired straight up at a speed of 10 m/s, the total time to return to its starting position is about ? When I use the quadratic formula, I get -8.97
  40. Physics- for Quidditch

    I posted the question about the rain before and I understnad how to find componnets...but how would I do that without a given angle?
  41. Physics

    A player kicks a football from ground level with a velocity of magnitude 31.0 m/s at an angle of 30.0 degrees above the horizontal. What is its maximum height?
  42. physics

    A ball of mass .3 kg is dropped from a height of 10m. Its momentum when it strikes the ground is? I know p=mv how would I find velocity for this problem? Thanks in advance for your help.
  43. Physics

    If a person jumped off the side of a ship from 20 feet high what speed would they be travelling at when they impact the water? Thanks Mike
  44. physics

    please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer? yes????
  45. Physics

    How much force are you exerting on the earth right now? How can a rocket operate in outer space? Describe the process of walking.
  46. physics

    what r the 4 forces on a plane whilst in flight?, im confused, i don't no whether it means like air resistance....or thrust.maybe u cud help me out :S
  47. Physics

    Two negatively-charged bodies with -5.4e-5 C are 0.20 m from each other. What force acts on each particle? F=kqq/d^2 F=(9.0e9)(q)(q)/(.20^2) Would both q's equal -5.4e-5 C?
  48. physics

    Two equal point charges of +3.00 * 10^ -6 C are placed 0.200 m apart. What are the magnitude and direction of the force each charge exerts on the other?
  49. Physics

    How much work must be done to bring three electrons from a great distance apart to 1.0 * 10^(-10)m from one another (at the corners of an equilateral triangle)?
  50. physics

    when preparing to undergo an MRI scan, why are patients advised to remove eyeglasses, watches, jewelry, and other metal objects?
  51. physics

    You're explaining to a younggster at the seashore why the water is cyan colored.The youngster points to the whitecaps of overturning waves and ask why they are white. what is your answer?
  52. Physics

    Three identical charges of 50 micro C are arranged at the points of an equilateral triangle 2 meters on a side. What is the net force on each charge?
  53. physics

    Which of the following physical properties can be used to measure temperature using a thermometer? A)volume B)pressure C)density D)viscosity I got A
  54. physics

    If a 264 Hz tone is emitted from a piano on a concert stage, how long will it be before a person in the balcony, 60 m away, hears the note?
  55. Physics

    If you ask a friend to drive a small nail into a piece of wood placed on top of a pile of books on your head. Why doesn't this hurt you?
  56. Physics check

    Atoms whose nuclei have the same number of protons but different numbers of neutrons are called.... isotopes?
  57. Physics

    The first and second resonant lengths of an air column that is closed at one end are 15.5 cm and 45.5 cm, respectively. What is the best value for the wavelength?
  58. Physics

    According to special relativity, at high speeds the distance between distant locations is: a) shortened b) no different than if you were at rest c) lengthened
  59. Physics

    A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
  60. physics

    A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
  61. physics

    By what length is a light ray displaced after passing through a 4.7 cm thick sheet of material (n=1.38) with an incident angle of theta = 33.5°.
  62. physics

    By what length is a light ray displaced after passing through a 4.7 cm thick sheet of material (n=1.38) with an incident angle of theta = 33.5°.
  63. Physics

    Can scientists from other countries change what physicists in the United States think? Need help ASAP work due tomorrow XD
  64. Chem/Physics

    Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....
  65. Chemistry/physics

    Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....
  66. Physics HELP!!!

    A ball is kicked at an angle of 50 with a velocity of 14m/s. a. how long is it in the air? b. how high does it rise? can someone please explain to me how to solve this???
  67. physics...one last time

    A mortar elevated to 60 degrees scores a hit 15 m up a building 30m away. with what speed was the shell fired?
  68. physics

    a 200N sign is held by two wires that have 150 degree angle between them. find the tension in each wire.
  69. physics

    How far to the nearest tenth of a meter can a runner running at 15 m/s run in the time it takes a rock to fall from rest 76 meters?
  70. Physics

    a roller coaster moves 85m horizontally, then travels 45m at an angle of 30.0 above the horizontal. What is displacement from its starting point?
  71. Physics

    a roller coaster moves 85m horizontally, then travels 45m at an angle of 30.0 above the horizontal. What is displacement from its starting point?
  72. Physics - Damon - continued

    I don't know where you got sin theta = .1 from?? Look if I use m = 0 and the formula I used then I get L = 500m when I do arctan(25/500) I get 2.86 degrees.
  73. Physics

    Touching a Van de graff generator and slowly moves away from the dome why he touches it again he recives a stron shock why ?
  74. Physics

    What is the dimesnional formula of length, mass, volume, time, radius, force, frequency of evolution, velocity, gravity, tension
  75. Physics

    1. What evidence did ancient Greek astronomers have that Earth does NOT move? The answer is because of the lack of parallax, but then there's a follow-up question... 2. How do we knoew it DOES?
  76. physics

    10. How much current is required to produce a force of 0.96 N on a 75 cm long wire oriented at right angles to a 0.24 T magnetic field? A. 0.050 A B. 0.17 A C. 5.3 A D. 0.19 A 5.3 A (<--- (0.96)/((75.0e-2)*(0.24)) )
  77. Physics

    What gravitational force do yhe two protons in the helium nucleus exert on each other? There separation is approximately 1.0 fm. I know that 1 fm is 10^-15 m i didn't know if that was how you figured it out to get it to N?
  78. physics

    A piano wire has length L and mass M. If its fundamental frequency is f, its tension is: i got T=(lambda*f)^2m/L, but their answer is 4LMF^2 and i cant figure out how to get that
  79. Physics

    A loop is rotated to the new orientation in 1s. What is the magnitude of the average induced EMF? B= 2T 60 degrees n again is sticking out of the page
  80. Physics

    the teacher said something about doing the correct sig figs..im not sure if it applies to this, im so confused! 10.2* 7.5 =76.5? 27.1/5.31 =5.103578154425612?? 2.712 + 10.8= 13.512?
  81. physics

    A car starts from rest and accelerates uniformly to a velocity of 8ft/s after traveling 250 ft. Find its acceleretaion. Help me with this pleeaase. Thank you.
  82. Physics

    A baseball is thrown vertically upward with an initial velocity of 20m/s. The maximum height gained by the ball is? I do not understand this problem!
  83. physics

    A particle is projected with a speed of 25 m/s at an angle of 40 degrees above the horizontal. "What is the time taken to reach the highest point of trajectory?"
  84. physics

    A particle is projected with a speed of 25 m/s at an angle of 40 degrees above the horizontal. "What is the time taken to reach the highest point of trajectory?"
  85. 12th grade Physics

    how much tension must a rope withstand if it is used to accelerate a 1200-kg car vertically upward at .80 m/s^2?
  86. physics

    Tarzan swings on a 27.0 m long vine initially inclined at an angle of 35.0° with the vertical.(a) What is his speed at the bottom of the swing if he starts from rest?
  87. Physics

    The highest that George can suck water up a very long straw is 2.0 m. (This is a typical value.) What is the lowest pressure that he can maintain in his mouth?
  88. Physics

    The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at this depth?
  89. Physics

    The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at this depth?
  90. physics

    Is this true or a trick question? In order to get a piano to start moving, you must push against it with a larger force than it pushes on you?
  91. physics

    An ox exerts a force of 7100N to the horizontal direction without slipping. If the ox has a weight of 8000N, what is the minimum coefficient of static friction?
  92. Physics

    A football is kicked at 45 degrees and travels 82 meters before hitting the ground. A) What was its initial velocity? B) How long was it in the air? C) How high did it go?
  93. physics

    Over a period of 9.0 seconds a plane changes its velocity from 29.5 m/s to 45.7 m/s. What is its uniform acceleration? ---------------- I'm reviewing for my final and i can not think of what the formula to solve this is.
  94. physics

    A 1.25-kg book in space has a weight of 8.35 N. What is the value of the gravitational field at that location? GIVEN: m = 1.25 kg W = 8.35 N Therefore, they want the acceleration. Would I use this equation g = Fg/m?
  95. law of conservation of momentum.. physics

    The boat would sink a little bit in the water and move in the direction that the melon was thrown to you.
  96. law of conservation of momentum.. physics

    The boat would sink a little bit in the water and move in the direction that the melon was thrown to you.
  97. Physics

    The work done in rubbing your hands together s equivalent to the amoun of heat produced. What principle does this demonstrate? I am not sure, is it kinetic energy?
  98. physics

    How much work is required to completely separate two charges (each -1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
  99. physics

    How much work is required to completely separate two charges (each -1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
  100. Physics II

    A block begins to slide down a ramp after being elevated to an angle of 55 degrees. What is the coefficient of static friction?
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