Physics!

74,480 results, page 98

  1. Physics

    How do I find Period T(s) and Period^2 T^2 (s^2) given mass(kg) = 0.1 and Average time for ten vibrations (s) = 5.05?
  2. physics

    George has a large circular table with a circumference of 18 feet.what is the approximate area of the table?
  3. physics

    the density of gold is 19.3 x 10^3, what buoyant force does a .60-kg gold crown experience when it is immersed in water?
  4. Physics

    How do I find Period T(s) and Period^2 T^2 (s^2), given mass(kg) = 0.1 and Average time for ten vibrations (s) = 5.05?
  5. physics

    find the density of a metal ball weighs 1.8kg. volume of ball is 250cc??
  6. physics

    My question is in the link below: img828.imageshack.us/img828/7386/physicsch3581.png
  7. physics

    Does the resonance position change as the length of the tube changes, for example a longer tube?
  8. physics

    if you have an object of mass 5.4 g and volme 2.7 cm3 would the object float in water
  9. physics

    A typical smaall laser has a power of 0.5mW= 5*10^-4J/s. How many photons are emitted each second by the laser?
  10. physics

    A vector has a magnitude of 18.2 cm and makes an angle of 129.0° with the positive x-axis. What are the x- and y-components of this vector
  11. physics

    If an object takes 2.75 seconds to move twenty feet how fast is the object moving?
  12. Physics

    A 1.5 uF capacitor is connected to a 9.0 V battery. Use PE=1/2C(change in V)^2 to find the energy stored in the capacitor.
  13. physics

    An object accelerates from 5.0 m/s to 100m/s. If the object traveled 250 m during this time, what was the acceleration?
  14. physics

    A car goes at a constant velocity of 15 m/sec for 4 seconds. How far does the car go in that time?
  15. physics

    a bus takes 8 hours to cover a distance of 320km what is the average speed of the bus?
  16. Physics

    example that show the # part of distance and the # part of displacement can be different for the same motion
  17. Physics

    A crate with a total mass of 50 kg is initially at rest on a level floor.What is the weight of the crate?
  18. physics

    Whats the force of attraction between a 15.0kg box and a 63.0kg person if they are 3.45 apart?
  19. physics

    You hit someone with a force of 173N. How much force is exerted on you? Answer in units of N.
  20. physics

    A mosquito inside a car is not hit by the back wall when the car starts moving.Why?
  21. physics

    X horsepower is equal an 20lb. Object traveling at 90mph. Is it possible to solve for X? and if so, what does X equal?
  22. physics

    the change in velocity of a car that starts at rest and has a final velocity of 20m/s north
  23. maths/physics

    A rubber ball weighs 49 N. What is the acceleration of the ball if an upward force of 69 N is applied?
  24. physics

    FIND THE SLOPE OF A LINE PERPENDICULAR TO THE LINE THAT PASSES THROUGH THE FOLLOWING POINTS (3,9) AND (7,15)
  25. physics

    A mass of 5.25-kg was dropped from a height of 31 m. How much time does it take for the mass to reach the ground?
  26. Physics

    A 90 kg skydiver moving at terminal speed falls 76 m in 1.03 s. What power in kW is the skydiver expending on the air?
  27. physics

    Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
  28. physics

    Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
  29. Physics

    Find the density in g/cm3 of a 120 cm3 piece of metal having a mass of 2 kg.
  30. physics

    you throw 2 balls at a bunch of pins. is it better to throw a putty or rubber ball?
  31. physics

    A 0.730 kg particle has a speed of 3.00 m/s at point A and kinetic energy of 7.40 J at B. What is its speed at B? Answer in units of m/s.
  32. physics

    What can you say about the direction of the resultant force on the plane as a jet plane lands?
  33. Physics

    Iron has a density of 7.9g/cm^3, what is the mass in kg of an iron statue that has a volume of the bottle in cubic meters?
  34. physics

    A helicopter is rising at 5.2 m/s when a bag of its cargo is dropped. The bag falls for 2.5 s. what is the bags velocity
  35. physics

    A car accelerates from rest at a constant rate of 2.2 m/s2 for 6.9 s. How far does the car travel in this time?
  36. physics

    A rolling ball moves from x1 = 3.2 cm to x2 = -4.4 cm during the time from t1 = 3.4 sec to t2 = 6.2 sec. What is its average velocity?
  37. physics

    A vector representing 140 N is oriented at 42◦ with the horizontal. What is the magnitude of its horizontal component?
  38. physics

    A child lifts a 5.0-newton toy to a height of 0.50 meters. How much work is done on the toy?
  39. physics

    an atv with a velocity of 22m/s is accelerated uniformly at the rate of 2m/s squared for 5s. What is it's finaly velocity?
  40. physics

    a ball takes 22 seconds to reach the ground from a height.calculate from what height it dropped?.
  41. physics

    If an automobile engine delivers 46.0 hp of power, how much time will it take for the engine to do 5.30 x 10^5 J of work?
  42. physics.pls help

    Why is it important to asaume that a rope under tension is taut and does not stretch. pls help
  43. Physics

    Estimate the density of the water 6.0 deep in the sea. By what fraction does it differ from the density at the surface?
  44. Physics

    A fleck moving horizontally to the right at 2.5 m/s begins to accelerate downward at 0.75 m/s2 . Where is the fleck 4.0 s later?
  45. Physics

    A projectile was launched 64° above the horizontal, attaining a height of 10 m. What is the projectile's initial speed?
  46. physics

    A 3.03 kg briefcase is sitting at rest on a level floor. The acceleration of gravity is 9.81 m/s 2 . a) What is its acceleration?
  47. physics

    Three capacitors with C1=C2=C3= 10.00 uF are connected to battery with voltage V= 194 V. What is the voltage across capacitor C1
  48. physics

    if a moving body changes its velocity from 30m/s to 15m/s the body's motion becomes?
  49. physics

    Suppose a rocket launches with an acceleration of 39 m/s2. What is the apparent weight of an 90 kg astronaut aboard this rocket?
  50. Physics

    How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
  51. Physics

    How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
  52. Physics

    An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?
  53. physics

    a man is running on a circular track of radiur 4 m with a speed of 10ms-1.its angular speed is?
  54. Physics

    a car traveling at 13 m/s^2 for 8.00 seconds. what is the distance the car travels? show all work
  55. physics

    if the force of friction on a sliding scaleis 25n the force to maintain the constant velocity is
  56. physics

    An ice skater glides around a rink at a constant speed of 2 m/s. Is the skater accelerating?
  57. physics

    A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?
  58. physics

    A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?
  59. physics

    A gas expands at constant pressure from 6.25 L at 13.1°C until the volume is 7.25 L. What is the final temperature (in K) of the gas?
  60. Physics

    You push with a force of 22.5 N on a loaded shopping cart that has a total mass of 80 kg. What is the acceleration of the cart?
  61. physics

    a copper cylinder 1.50 m long and 40.0 cm in diameter stands on one end.what is the mass of the cylinder?
  62. Physics

    Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
  63. Physics

    Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
  64. physics

    A car is traveling at Vx =20 m/s. The driver applies the brakes, and the car slows with ax = -4m/s^2. What is the stopping distance
  65. Physics

    A force of 1000 N is applied to a 1200 kg car. If the coefficient of friction is 0.04, what is the car's acceleration?
  66. physics

    A kangaroo jumps to a vertical height of 242 cm. How long (in seconds) was the kangaroo in the air?
  67. Physics

    A basketball is released from a height of 3m onto a hard surface. What height will the ball rebound to and why ?
  68. physics

    An engine draws water from a depth of 10 m from earth at aspeed of 2m/s at arate of 10 kg/10 s. What is the power of the engine?
  69. physics

    how does increasing the height of a ramp affect how far a ball rolls down the ramp?
  70. Physics i.e science

    Explain why sharpening grass knives help to ease the effort in cutting grass.
  71. physics

    منحنى (الموقع _والزمن)لحركة قرص مطاطي على بركة متجمدة في لعبة الهوكي
  72. Physics

    Why do electric field lines begin on positive charges and end on negative charges?
  73. Physics

    A 10 g particle is moving to the left at 20 m/s. How much work must be done on the particle to cause it to move to the right at 46 m/s?
  74. Physics Can someone please help thnks

    reply to my post earlier julie thnk u please
  75. Physics

    A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?
  76. physics

    Find the gravitational force exerted by a 0.515 kg mass on a 0.108 kg mass 1.94 m away.
  77. physics

    A mass of 1000kg is released from a height of 10m.with what energy will it strike the floor?(g=10m/s/s)
  78. physics

    if the force applied perpendicularly on a given surface is applied on a small area then pressure is?
  79. physics

    Light passes from medium 1 to medium 2 where n1>n2. a)Sketch the incident reflected and refracted rays.
  80. Physics

    A ball is throwing downward with an initial velocity of 10 m/sec. If the final velocity is 20 m/s, what is the time?
  81. Physics

    How far above the surface of Earth would you weigh 63.6 percent of your surface weight?
  82. Physics

    A boat has a velocity of 27.5 m/s [S30W]. 34 s later it had a velocity of 24.0 m/s [E66S]. What was its average acceleration?
  83. Physics

    Bryant is fired from a cannon with an initial speed of 14 m/s. If his mass is 80 kg what is his initial kinetic energy?
  84. Physics

    A mass of .27 kg is attached to a spring and is set into vibration with a period of .39s.what is the spring?
  85. physics

    Find the mass of 0 degree C ice that 15 g of 100 degree Csteam will completely melt.
  86. physics

    What are two general types of energy that can be used to classify many forms of energy? Can someone help
  87. physics

    both chloroplasts and mitochondria are like in that they both have_______ membranes and their own _____.
  88. PHYSICS

    An electron is located on a pinpoint having a diameter of 2.04 µm. What is the minimum uncertainty in the speed of the electron?
  89. PHYSICS

    You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
  90. Physics

    You observe that 32 crests of a water wave pass you each minute. If the wavelength is 10 m, what is the speed of the wave?
  91. physics

    What beat frequencies are possible with tuning forks of frequencies 258, 263, and 267 Hz?
  92. Physics

    A baseball is hit with a horizontal speed of 22 m/s and a vertical speed of 14 m/s upward. What are these speeds 1 s later?
  93. physics

    what has more inertia?a basketball sitting on the floor or a basketball which has just been shot at
  94. Calculus / a bit of physics

    explain why a scalar equation of the line exists in 2-D space, but not in 3-D space.
  95. Physics

    What happens to the total circuit resistance when more devices are added to a series circuit?
  96. Physics

    Calculate the force between a +5 µC test point charge and this source charge at a distance of 2.00 cm. (µC = 1.0 × 10–6 C)
  97. physics

    e1205[dot]hizliresim[dot]com/x/z/78wcx.png can anyone look at it please
  98. physics

    a 0.20 kg mass is attached to the end of a spring causes it to stretch 3cm. what is the spring constant?
  99. physics

    If a force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object undergoes. ________m/s(squared)
  100. Physics

    If you know that the period of a pendulum is 1.87sec. What is the length of that pendulum? (gravity 9.81m/sec squared)
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