1. physics

    differentiate between law of paralleogram and resolution of component of force.
  2. Physics

    How much work must be done to stop a 970 kg car traveling at 115 km/h?
  3. physics

    If a stone is thrown upward at 20.5 m/s, what will be its velocity at a height of 12 meters?
  4. Physics

    How fast would a 4.8 kg object slide down a frictionless incline of 10.3 degrees?
  5. physics

    what is the speed of 1kg object when the kinetic energy is 1 joule
  6. Physics

    Could someone tell me the formula for finding distance when time is given and the acceleration is constant?
  7. physics

    At a distance of 2.0 m. from a +8.0 x 10^-6 C charge, the magnitude and direction of the electric field will be?
  8. physics

    Calculate the gravity on a planet using a pendulum that has a period of 2.45 s having a length of 1.25 m.
  9. physics

    If a person runs a marathon 26.4 miles in 2.5 hours, what is his/hers speed?
  10. physics

    there is any peak shift between bulk and nano materials in xrd.
  11. Physics

    How much force is required to accelerate 5kg at 15m/sec?
  12. physics

    How can you explain the caculation of velocity or speed using distance and time?
  13. physics

    what 2 factors determine the size of the force of gravity? & what is the relationship between them?
  14. physics

    Which of the following properties of a ball is conserved as it falls freely in a vacuum?
  15. physics

    what is the power if it takes 11s to drag the sled 80m?
  16. Physics

    Does an object still possess any kinetic or potential energy at absolute zero?
  17. Physics

    What is the mass (in Grams) of a block of aluminum that has a volume of 385 mL
  18. physics

    a frieght train rolls at the same speed but has twice as much mass its momentum is
  19. physics

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

    the higher the angle the longer an objecg will be in the air , but dose that mean it will go further ?
  21. Physics

    What is the time lapse between seeing the lightning strick and hearing the thunder 17 km away
  22. Physics

    What is the application of simple harmonic motion to our daily lives?
  23. Physics

    Two objects are moving about so that their total momentum is zero. What can be said about their kinetic energy?
  24. Physics

    What is the energy released in the fusion reaction: 2H+2H--> 4He + Q? How do I calculate this?
  25. Physics

    What is the scientific principle involved in unmanned level crossing?
  26. Physics

    8.2 kg of ice is taken from a temperature of -49 C into steam at 123 C. What is the energy used? Q_total =
  27. physics

    Consider a concave mirror with radius R. An upright object is placed in between the interval R/2 and R. R
  28. physics

    When a nucleus emits a beta particle, it's atomic number is ?
  29. physics

    Why the mesaure of the sphere doesn't play a part at the pendulum???
  30. physics

    what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?
  31. Science

    guys, please give me any ideas for a investigatory project in physics ???
  32. science[physics]

    why is the pressure more on ground when a person is walking than when he is standing ?
  33. Physics

    Calculate the magnitude of the potential difference between points a and b in the figure if R1=2.36 Ù, R2=4.29 Ù,and R3=10.08 Ù.
  34. physics

    What kind of motion makes the pendulum when the amplitudes are small ????
  35. physics

    How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?
  36. Physics

    2 factors that increase static friction? Could it be weight or the ground?
  37. Physics

    You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?
  38. physics

    How would you do this? The K is 25.0 N/M The spring's max amount of elastic potential energy?
  39. Physics

    What is the scientific principle involved in unmanned level crossing?
  40. Physics

    Why is it important to use the maximum force reading from a data collection?
  41. physics

    What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 1.2 Newtons?
  42. physics

    plz tell me in which website can I get free engineering notes for first year B.E?
  43. physics

    The maximum displacement of a vibrating body on either side of its mean position is known as its
  44. Physics

    What is the polar notation for a vector that points from the origin to the point (0,5.00) ?
  45. physics! please help!

    A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?
  46. physics

    Is a current carrying wire electrically charged? Explain.
  47. physics

    find the resultant force 10N and 20N acting at 30¡ã
  48. physics

    What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?
  49. physics

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

    When going up stairs does a person who has more mass do more work and exert more power?
  51. physics

    What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?
  52. Physics

    How far apart are a proton and electron if they experience an electric force of 5.10N?
  53. Physics

    Why do citizens have a responsibility to have some basic understanding of nature's rules?
  54. Physics

    In the photoelectric effect, what determines the number of ejected electrons?
  55. physics help please

    A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement?
  56. Physics

    14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long? a. 1.75 m b. 3.5 m c. 5.0 m d. 7.0 m
  57. Physics

    The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R
  58. Physics

    Explain fully one pro and one con of nuclear energ
  59. Physics

    What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
  60. physics

    Discribe the phase change that took place in the solid between the time t1 and t2?
  61. Physics

    Calculate the λSWL for molybdenum, when the accelerating potential is 15 kV
  62. physics-14

    If room temperature is 70 degrees farenheit,what is kelvin?____
  63. physics

    What is an object that is launched into the air and undergoes free fall
  64. Physics

    What are the components of a vector with a magnitude of 4.00 and a direction of -122 degrees?
  65. Physics

    If a man walks 4 km east and then 5 km south. How far is he from the point where he started?
  66. physics

    Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?
  67. Physics

    The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R
  68. Physics, Please Help

    How much time does it take a pulse of light to travel through 120 m of water?
  69. Physics

    How do you calculate the phase constant in degrees given amplitude and frequency?
  70. University, Physics

    Derive the error in equation: T1/2 = 1n(2)/lambda solve for T
  71. Physics-please help quick!!

    When the object is placed beyond 2f, where should you put your eyes for getting the clear image of it?
  72. physics

    The rate at which distance changes in a time period is called acceleration
  73. Physics help pleasee

    How much power is generated by a 90 kg sprinter that accelerates up to 9.0 m/s in 2.8 seconds?
  74. physics

    an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?
  75. physics

    What happens to the gravitational energy of a firefighter when he slides down the fire poles?
  76. physics

    What is the maximum acceleration of a platform that oscillates with an amplitude of 3.1 cm at a frequency of 8.0 Hz?
  77. college physics

    the question is that what happened when the ozone layer becomes destroyed?
  78. Physics

    If 7.20 kg of ice at -5.00°C is added to 12.0 kg of water at 30°C, compute the final temperature.
  79. physics

    if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I
  80. Physics

    What is the electric force of attraction between charges of 3 C and -4 C separated by a distance of 2 m?
  81. 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?
  82. Physics & Calc

    Derive the stationary target equations: v1 = [(m1-m2)/(m1+m2)]v1 v2 = [(2m1)/(m1 + m2)] v1
  83. physics

    describe how the values of resisitivity determine the uses of material in industry ???
  84. Physics 1st

    What will be apparent length of a rod 1m long moving with 0.7c
  85. physics

    if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I
  86. physics

    Part C Calculate (in MeV ) the total binding energy for 40 Ca .
  87. physics

    Distance travelled by a ball dropped from a cliff in the 10th second.
  88. Physics

    At what distance from the earth's surface will a mass of 40.0 kg be just 385.0 in weight?
  89. physics

    Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?
  90. Physics

    When projectile angle is 45°what is the relation between maximum height and range
  91. Physics College

    What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s?
  92. physics

    some rocks melt at 1800farenheit. what is the temperature in the celsius scale ?
  93. PHYSICS

    A Car Of Mass 280kg Moving With A Velocity Of 30m/s
  94. Physics

    What is the magnitude of the earth's gravitational field at sea level?
  95. Physics

    An electron and a proton are traveling at the same speed. Which one has the longer wavelength?
  96. physics

    If jon has a weight of 645N what is his mass? I have to do this using the GUESS METHOD
  97. Physics 2

    If water at 0 oC is heated, it actually decreases in volume until it reaches Select one: a. 1 oC. b. 2 oC. c. 3 oC. d. 4 oC. e. 5 oC.
  98. Physics

    A car traveling at 5.0 m/s accelerates at the rate of 0.8 m/s2 for an interval of 3.0 s. Find vf.
  99. physics

    calculate the work done in lifting a 300 N weight to a height of 10 m.
  100. physics

    a race car accelerates from rest at +7.2 m/s^2 for 4.5 s. How fast will it be going at the of that time ??
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