Physics!

74,459 results, page 48

  1. Physics

    By what distance must two charges of +2 C and +4 C be separated so that the repulsive force between them is 4.10 1010 N?
  2. Physics

    An ideal gas performs 453 of work and loses 45J of internal energy
  3. Physics

    The parabolic TV antenna receives electromagnetic waves from satellites. What is special about these rays?
  4. physics

    what is the net electrostatic force on the charge q3 -48ìc due to charges q1 (+78µC) and q2 (+50µC)
  5. physics

    How much charge passes through a cross-sectional area of a copper wire in 0.8 s if I = 3.5 A? 1 C
  6. integrated chemistry and physics

    If 2 blocks have the same mass which one has the greater acceleration?
  7. Physics

    find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
  8. Physics

    find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
  9. PHYSICS

    A BODY CHANGES IT'S VELOCITY FROM 20M/S UNTIL IT COMES TO REST IN 10 SECONDS.WHAT IS IT'S ACCELERATION
  10. Physics

    An object is thrown upward with a speed of 21.5 m/s. How high above the projection point is it after 2.06 s?
  11. physics

    What is the velocity of an object that falls from a cliff tot he ground which is 20,000 centimeters below?
  12. physics

    a 60kg sprinter accelerates from rest at 2.5m/s east for 4s. what force is acting and what is his final speed?
  13. physics

    a 333 hz and 337 hz tuning forks are struck simultaneously. whats will be the beat frequency?
  14. physics

    Calculate the speed of sound wave in air if its frequencies and wavelengths are 256Hz and 1.32m
  15. physics

    Consider the equation -mv0 +3mv0 = 4mvf. Where m and v0 are constants, Solve for vf. Simplify answer.
  16. Physics

    What will a spring scale read for the weight of a 75 kg woman in an elevator that moves upward with acceleration 0.30 g? w=?
  17. physics

    a car starts from rest and accelerates uniformly at 2m/s for 10second. what is its velocity at the end of 10 second?
  18. Physics.

    when an e- and a positron collide they're annihlated and their mass converts to engery. the energy released is? [1.64x10^-13 J]
  19. Physics

    Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s.
  20. Physics

    Suppose the circular track in the figure below has a radius of 104 m and the runner has a speed of 3.3 m/s.
  21. physics

    Doubling the frequency of a wave source doubles the speed of the waves. ( True or False)
  22. physics

    a 10,000hg car rounds a curve of radius 1200ft at 50mph what is its centripetal acceleration?
  23. Physics

    If you must stop your moving car in a hurry, should you slam on the brakes and lock them?
  24. physics

    If an engine produces a (mass flow rate) of 100kg/s of thrust, what is the force in Newtons?
  25. Physics

    How does the speed frequency distribution graph change for a given gas as the temperature is increased?
  26. PHYSICS

    2. How does the speed frequency distribution graph change for a given gas as the temperature is increased
  27. physics

    An 80 kg man on a 10 kg stretcher is being pulled upward with constant speed. What is the tension on the rope ?
  28. physics 102

    What are the wavelengths of electromagnetic wave in free space that have the following frequencies? (a) 3.00 10^19 Hz pm (b) 7.50 10^9 Hz cm
  29. physics

    i want a simple laboratory method of determining a young modulus of a long thine wire
  30. Physics

    A car travels in a straight line for 3.9 h at a constant speed of 83 km/h . What is its acceleration? Answer in units of m/s2
  31. physics

    Which has the greater acceleration, a car that increases its speed from 50 to 62 km/h, or a bike that goes from 0 to 12 km/h in the same time?
  32. physics

    At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment?
  33. physics

    A bug completes one lap along the edge of a circular planter of radius 14.4 cm in 12.94 s.
  34. Physics

    A rollercoaster travels 135ft at an angle of 58.7 above the horizontal. How far does it move horizontally?
  35. Physics

    A car travels in a straight line for 4.8 h at a constant speed of 63 km/h . What is its acceleration? Answer in units of m/s 2
  36. physics

    A ball is dropped from the roof of a building. How much time does it take to reach a velocity of 15.4 m/s?
  37. physics

    what is the acceleration due to gravity at a distance of 2 earth radii abouve earths surface?
  38. Physics

    A ball was thrown straight up at 26.2 m/s then caught at the same place it was released. How many seconds was it in the air?
  39. physics

    A ball was thrown straight up at 20.7 m/s then caught at the same place it was released. How many seconds was it in the air?
  40. physics

    If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it
  41. physics

    A 6.0 Kg object undergoes an acceleration of 2.o m/s squared. what is the magnitude of the net external force acting on it?
  42. Physics

    What is the speed of a hockey puck of mass 0.15 kg if it experiences a force 60 in N for the extent of a slap shot of 0.25 m?
  43. physics

    If a ferris wheel has the radius of 5 meters, and one revolution takes 32 seconds, what is its speed?
  44. Physics

    Identify the causes of conductive and sensorineural hearing loss. I have no idea. Please help.
  45. physics

    why one cannot find the north pole of the earth using only a simple compass
  46. physics

    what device could use th earth's magnetic felds to produce energy and how it would work?
  47. PHYSICS ASAP!

    A Football is kicked 66.6 meters in 5.39 seconds. What was the initial velocity? Magnitude and Direction
  48. Physics

    Janetjumpsoffahighdivingplatformwith ahorizontalvelocityof2.96m/sandlandsin thewater2.8slater. Howhighistheplatform ?Theacceleration ofgravityis9.8m/s2.
  49. Physics

    you throw a ball upwards in the air at a velocity of 80m/s how fast will it be moving at 3 sec?
  50. Physics

    Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  51. Physics

    2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  52. physics

    2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  53. Physics

    2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  54. Physics

    2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  55. Physics

    2. Contrast the metric units of distance, time, and speed. Describe the relationship between them.
  56. physics

    If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
  57. physics

    If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
  58. physics

    If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
  59. science-physics

    What is the formula to calculate the speed of the electron the has a mass of 0.910000000000000000000000000000 kg and a radius of 0.5290000000000 m?
  60. physics

    determine the energy of a photon radio wave electromagnetic radiation. i know which formula to use 6.64*10^-34 what
  61. Physics Help Please!

    A microwave oven operates at 2.80GHz . What is the wavelength of the radiation produced by this appliance?
  62. Physics

    When dealing with circular motion; a string with the length of .4m is being spun horizontally, is the radius .2m?
  63. physics

    A car travels in a straight line for 4.8 h at a constant speed of 57 km/h . What is its acceleration? Answer in units of m/s
  64. Physics

    A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?
  65. Physics

    A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?
  66. physics

    Wind gusts create ripples on the ocean that have a wavelength of 5.00 cm and propagate at 2.00 m/s. What is their frequency?
  67. physics

    How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
  68. physics

    How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
  69. physics

    what is the reasonable temperature (Th anh Tc) for an ideal (caront) refrigerator that have coefficient of performance of 13
  70. physics

    a 747 airliner reaches its takeoff speed of 170 in 35.0 .what is the magnitude of its average acceleration
  71. physics

    If a solid is stretched or compressed beyond the point that it can return to its original shape it has passed its
  72. physics

    Calculate the speed of an 7.6×104 kg airliner with a kinetic energy of 1.2 × 109 J. Answer in units of m/s
  73. physics

    what is the force per meter on a wire carrying 7.5A current when perpendicular to a 0.70T field?
  74. physics

    Rank, from smallest to largest, the pressures in the tank of motionless fluid shown in the figure.
  75. physics

    What is the wavelength associated with a golf ball of mass 45 g driven off the tee with a velocity of 30 ms-1.
  76. Physics

    A 155 N force is applied to the end of a 40 cm wrench at a angle of 45 degrees to the handle. What is the torque?
  77. physics

    Your friend says his remote control car travels at a velocity of 1.5 m/s. What is wrong with that statement
  78. physics question

    find the force exerted by proton and the electron in a hydrogen atom they are 5.0 X 10^-19 coulomb
  79. physics

    A 1.00 x 10^3 kg sports car accelerates from rest to 25.0 m/s in 7.50 s. What is the average power output of the automobile engine?
  80. physics

    What must be the magnitude of the force of static friction between the surface and the bottom of the crate?
  81. physics

    a ball is thrown vertically upward at a speed of 45 m/s. how long does it take to return to the ground?
  82. Physics

    You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/- 3mm. The area would be A +/- a cm^2. a. What is A? b. What is a?
  83. Physics

    You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/- 3mm. The area would be A +/- a cm^2. a. What is A? b. What is a?
  84. PHYSICS

    how far will a 1000kg car travel in 10 sec if it is accelerated from rest by a force of 5000N
  85. physics

    Determine the net force needed to cause a 1310kg sports car to accelerate from 0 - 28.6m/s[fwd] in 5.6 s
  86. physics

    A plane cruising at 251 m/s accelerates at25 m/s2 for 9 s.What is its final velocity?Answer in units of m/s
  87. Basic Physics

    If a swimming pool has dimensions; 28.2 5m x 10.0m x 2.30m, when it is full of water, what is the force on the bottom ?
  88. physics

    A spring has a force constant of 70000 N/m. How far must it be stretched for its potential energy to be 21 J?
  89. physics

    what will happen to the bone structure if earth becomes more dense than its actual density?
  90. physics 11

    By how much would 1200 W kettle, which is 72% efficient raise the temperature of 0.60 kg of water in 3.0 min?
  91. physics

    what has no beginning and no end. it is also considered as the medium for light in einstein's theory of relativity
  92. physics

    An argon atom has a mass of 6.64 x 10 kg has 5.5x108 joules of kinetic energy. At What velocity is it moving?
  93. physics

    calculate the friction force of an object? if weight=19600,vi=30ms-1,vf=0ms-1 and S=100m.
  94. physics

    if a car moving 180km/h reduces to 72km, what is the percentage change in kinetic energy?
  95. Basic Physics

    What is the force of gravity between two spheres that have a mass of 8 kg and are separated by 27 m?
  96. physics

    find the force if f between charges of +100mc -50mc located 50cm a part?
  97. physics

    find the force if f between charges of 100mc -50mc located 50cm a part?
  98. physics

    what is the kinetic energy of a 3 kg 20 cm diameter bowling ball with a linear velocity of 4m/s? (rolling and spinning)
  99. physics

    the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge
  100. Physics

    How many joules would be required to raise the temperature of 20g of ice at oC to water at15C?
  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100