physics please HELP !

74,851 results, page 50
  1. Physics

    If an object on Pluto has a mass of 10 kg and a weight of 6.6 N, what is the acceleration due to gravity at its location?
  2. physics

    A car starts from rest and accelerates for 6.7 s with an acceleration of 1.6 m/s2 . How far does it travel? Answer in units of m
  3. Physics

    how much work is needed to stop a 20kg bullet moving with a speed of 150m/s?
  4. Physics

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

    A truck covers 40.0 m in 9.40 s while smoothly slowing down to final speed 2.35 m/s. Find its accelerations
  6. physics

    8. Before you drop a ball held at a height of 5m with a weight of 20 N, what is its gravitational potential energy
  7. Physics

    The electron-volt is _____ than the SI unit for the same physical quantity. a. smaller b. greater
  8. Physics

    The distance between any two points in a thermometer is 10cm.mercury level is 13 cm .temperature in Celsius?
  9. physics

    two forces of 10N and 7N respectively are applied simultaneously to an object . The minimum value of their resultant is, in newtons?
  10. physics

    Is it possible for a frictional force to increase the mechanical energy of a system? If so, give examples.
  11. physics

    Describe an experiment to determine the boiling point of a small quantity of a liquid
  12. PHYSICS topic is pressure

    Why does a person feel difficult to breathe when he is in a deep well? Please answer!!!
  13. Physics

    A 1.21 kg block slides down a 25.0 m long 25.0° incline at constant velocity. How much work is done by friction?
  14. physics

    how high must a 2 kg basketball be thrown so that the top of its arc, it has a potential energy of 160J?
  15. physics

    how much work can a 50.0kg wreckin ball traveling at 5.00m/s do when striking a building
  16. physics- urgent

    determine the estimated uncertainty for the area of circle with a radius of 10.45+-0.5cm
  17. physics

    compare and contrast sound and electromagnetic waves in terms of types, speed, etc.
  18. physics

    compare and contrast sound and electromagnetic waves in terms of types, speed, etc.
  19. physics

    What is the magnitude of the electrostatic force on a +5 C harge 1.75 m to the left of a -2.5 C Charge? (show your work)
  20. physics

    A car accelerates from rest at 7.9 m/s2. How much time does it need to attain a speed of 5 m/s? Answer in units of s.
  21. physics

    A stone is dropped from a ledge 45m high. What will its speed on reaching the Earth be?
  22. Physics

    What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2? Is the answer 10. N?
  23. Physics

    The body mass is 0.4kg , its hung on a spring with stiffness of 90 N/m What is the frequency of its oscillation?
  24. physics

    At what distance would the repulsive force between two electrons have a magnitude of 8.50 N? I have no idea how to do this problem... can someone help me please... 3x10^-4/8.50?
  25. physics

    compare and contrast sound and electromagnetic waves in terms of types, speed, etc.
  26. physics

    If a man weighs 820N on d earth what would be on Jupiter, where the acceleration due to gravity is 25.9m/s
  27. physics

    What percentage of the takeoff velocity did the plane gain when it reached the midpoint of the runway?
  28. Physics

    An object of area 15sqcm and height 2 cm has a mass of 50g. what is its density in SI system
  29. Physics

    A polar satellite is launched at 850 km above earth.find its orbital speed
  30. PHYSICS

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

    Calculate the power of a hair dryer that operates on 120V and draws a current of 10 A.
  32. physics

    You can paddle at 4.5 km/h and the river is flowing at 3 km/h. How far downstream will you be in 44 min? Answer in units of km
  33. Physics

    What are the strength of intermolecular forces of mythelated spirits ,acetone ,water and ethanol?
  34. Physics

    five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced?
  35. physics

    five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced?
  36. Physics

    The body mass is 0.4kg , its hung on a spring with stiffness of 90 N/m What is the frequency of its oscillation?
  37. Physics

    A 0.50 kg hammer is taken on a space mission. What is its weight on a planet where the acceleration due to gravity is 3.8 m/s2? 0.50 kg 1.9 kg 0.50 N 1.9 N
  38. Physics

    If you take a bite of pizza, the sauce may burn your mouth while the curst, as the same temperature will not. Explain.
  39. physics

    calculate the work done in lifting a 300N weight to a height of 10 m with an acceleration 0.5m/second square.
  40. physics

    A bus moves from rest with a uniform acceleration of 2ms(square)for the first 10s.
  41. physics

    2) The weight of tank is 50 000 kg, area of his tracks is 5 m2. What pressure acts on the ground?
  42. physics

    calculate the kinetic energy of a body of mass 2kg moving with a velocity of 0.1m/s.
  43. Physics

    How would I find final velocity at the top of an inclined ramp with a given angle theta?
  44. Physics

    What does shifting the phase between the sources in a double slit experiment do to the interference pattern?
  45. physics

    2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground?
  46. Physics

    A 700 kg plane is traveling at 90 m/s at an altitude of 1500 m. What is the total mechanical energy?
  47. physics

    If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed and his hang time?
  48. physics

    Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill?
  49. physics

    if a ball is thrown down at an inital speed of 22 m/s, what will be its position after 2.8 seconds? acceleration is 9.8 m/s squared
  50. Physics

    A runner runs 2.5 km eastward and turns northward to cver twice this distance. What is his displacement ?
  51. Physics

    What is the force necessary to accelerate an object with a mass of 115 kg and and an acceleration of 6 m/s2 (squared) east?
  52. physics

    a body is thrown downward with an initial speed of 20.0 m/s on earth. what is the acceleration of the object
  53. Physics

    What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground?
  54. Physics

    What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground?
  55. Intergated chemistry/physics

    What is the speed (in m/s) of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg m/s?
  56. physics

    Why is it better to put ince rather than an equal mass of cold water into a drink you want to chill?
  57. Physics

    Calculate the distance (in ) that Larry runs if he maintains an average speed of 8.9 for 1 hour.
  58. Physics

    What force is required to stop a 1500-kg car in a distance of 0.20 m if it is initially moving at 2.2 m/s?
  59. physics

    You drop a stone down a well. You hear the splash 2.23 s later. How deep is the well? speed of sound 343 m/s
  60. Physics

    What acceleration would a 35 KG box have if we pushed it with a force of 275 N across a surface that has a coefficient of friction of .7?
  61. physics PLEASE HELP

    how do you rearrange this equation weight=T1sin57+[T1cos57/cos23.5]xsin23.5 when you're trying to isolate T1?????
  62. Physics

    a racing car has a uniform acceleration of 4 m/s2 What distance will it cover in 10secs after its start
  63. physics

    calculate the total area of the walls of a room 5m long 4m wide and 2.5m high
  64. Physics

    A dog is running at 9.1 m/s for 7.8 km. How long did it take him to arrive at his destination? (Give answer in seconds)
  65. Physics

    gazelle traveling 200 m/s is launched at a 40 degree angle with respect to the horizontal.
  66. Physics

    How can grounding prevent property damage and harm, even death when lightning strikes?
  67. physics

    Find the electric flux through each surface. (Use any variable or symbol stated above along with the following as necessary: ε0.)
  68. physics

    An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 15.0 s. What distance does the car travel?
  69. physics

    2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground?
  70. physics

    A constant net force of 1500 N gives a toy rocket an acceleration of 2.5 m/s2. what is the mass in kg?
  71. physics

    2) The weight of tank is 50 000 kg, area of his belts is 5 m2. What pressure acts on the ground?
  72. physics

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

    If a tuning fork puts out a tone at 440 Hz, what is its wavelength in air at 25 degrees?
  74. Physics

    If a tuning fork puts out a tone at 440 Hz, what is its wavelength in air at 25 degrees?
  75. physics

    how old would you be, when you returned from a trip while traveling at 99.5% C if your relatives that stayed at home, were 10 years older?
  76. physics

    Which parameter of a projectile depends on the horizontal as well as the vertical component of velocity of projection?
  77. physics

    a truck moving at 100kph has a mass of 27000 kg. what force is necessary decelerate it at rate of -3 m/s²?
  78. Physics

    Calculate the potential energy of a 5.0 g (0.005 kg) paper airplane 5.0 meters above the ground
  79. physics

    what has more inertia? a toy car going 1000mph or a cruise ship sitting at the dock
  80. physics

    distance a cannonball travels when shot horizontally with a velocity of 28.3 at 30 degrees? I'm not sure what formula I need to use. Please help.
  81. physics

    From what height would a compact car have to be dropped to have the same kinetic energy that it has when being driven at 100 km/h?
  82. physics

    a bomb of mass 5 kg explodes in to two equel fragments. At what angle these fragment fly apart ?
  83. Physics

    If I dropped a bowling ball from the empyre state building, at what velocity would it descend?
  84. physics

    i got my data task and i need to now is there a link between the height of the slope and the average speed of the object?
  85. Physics

    An engine works between the two temperatures 200 C and 120 C. Calculate its efficiency in percentage?
  86. Physics, PLEASE HELP!!

    A long jumper jumps with the initial velocity of 12.0 m/s at an angle of 20 degrees. what is the displacement of x?
  87. physics (electric charges)

    Hi, How can you charge an electroscope negatively? Is it by using a positively charged rod? Can someone please help me? Thank you :)
  88. Physics

    An object is thrown upwards with a speed of 14.0 m/s. How long does it take to reach its maximum height
  89. Physics

    is the average random kinetic energy of the molecules decreasing ? ( In cooling curve)
  90. physics

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

    To what temperature will 7700 J of heat raise 3.0 kg of water that is initially at 10.0 degrees C?
  92. physics

    Find the final speed of the train assuming no friction. Answer in units of m/s
  93. physics

    a fire hose held near the ground shoots water at a speed of 6.4m/s, at what angle should
  94. Physics

    A motorist travels 90 km at 120km/h , and 70km at 75km/h . What is the average speed for the trip?
  95. physics

    YOU PUSH A REFRIGERATOR WIT HA FORCE OF 50N AND IT MOVES 3 METERS ACROSS THE FLOOR
  96. Physics

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

    How much spring elasticity would be needed to make a 50 pound child jump higher
  98. Physics

    A 3200kg helicopter must accelerate up at 1.0m/s^2. What minimum lift do the rotors need to produce? Thanks for answering!
  99. physics

    A constant 6.0N net force acts for 4.0 s on a 12 kg object. what is the objects change of velocity
  100. physics

    What quantity of energy is represented by 250cm^3 of a gas 100N.m^2 when the temperature is kept constant