If a 2.0-kg mass if raised 0.050 meter vertically, the work done on the mass is?

65,039 results
  1. physics

    A .100 kg meter stick is supported at its 40.0 cm mark by a string attached to the ceiling. A .700 kg mass hangs vertically from the 5.00 cm mark. A mass, m, is attached somewhere on the meter stick to keep it horizontal and in rotational and translational

  2. physics

    a body mass 50g is suspended at the 20cm mark of a uniform meter rule. the meter rule is adjusted on a pivot until it balances horizontally at the 40cm mark. find the mass of the rule?

  3. Physics

    How much work is done when a mass of 3 kg (weighing 30 N) is lifted vertically through 6 m?. A hiker climbs a hill 300 m high. If she has a mass of 50 kg calculate the work she does in lifting her body to the top of the hill.

  4. physics please HELP !

    can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an

  5. Physics

    Select which of the following statements are True or False. Assume Newtonian Mechanics. 1.The work required to lift a mass one meter depends on the speed at which it is raised.. 2.The acceleration of an object is same in all inertial reference frames.

  6. physics

    A bar of gold measures 0.15 m × 0.050 m × 0.050 m. How many gallons of water have the same mass as this bar?

  7. Physics

    A weightlifter uses energy at a rate of 1000 J per second. He lifts a 100 kg mass at a constant rate in 1.5 seconds. Find the work done while lifting the mass. Calculate the height the mass was raised.

  8. chemistry

    Calculate the mass of Na2C2O4 needed to react with 30mL of 0.050 M KMnO4 please help! i know i have 30ml of 0.050 mol kmno4 but i dont know what this means,

  9. physic

    a uniform meter stick of mass 100g is pivoted about the 30 cm mark. a mass of 200 g is placed at the 10 cm mark. where should a mass of 50 g be placed so that the meter stick balance horizontally?

  10. Physics

    A 1 kg mass is hung at the 0 mark of a meter stick and a 3 kg mass is hung at the 100 cm mark of the same meter stick. If the mass of the meter stick is 0.2 kg, at which of the following points of the meter stick could you balance the system on one finger?

  11. physics 2, help please

    Two masses (mA= 2 kg, mB= 4 kg) are attached to a (massless) meter stick, at the 0 and 75 cm marks, respectively. c.) Now, if mass B was removed, how much force would need to be exerted at the 100 cm mark in order to keep the meter stick level*? ? N d.)

  12. Physics

    1.) A tennis ball (mass = 57 grams) is held directly above a basketball (mass = 624 grams)that is held 4.7 meters off the ground. Both are dropped simultaneously. Assuming an elastic collision, how high above the ground does the tennis ball reach after

  13. thermodynamics

    At 2068.44kPaa, 37.8 celcius, 0.142 cubic meter of methane have a total mass of 1.82kg. Using avogadro's principle find the mass of carbong dioxide contained in a 0.85cubic meter tank at 2068.44kPaa,37.8 celsius

  14. physics

    How much work is done when a mass of 30N is lifted vertically through 6m

  15. college physics

    When two objects of unequal mass are hung vertically over a frictionless pulley of negligible mass, as shown below, the arrangement is called an Atwood machine. Determine a) the magnitude of the acceleration of the two objects and b) the tension in the

  16. physics

    Mass M1 has twice the mass of M2. M1 and M2 are raised from a height of 5 m to 25 m, and from 14 m to 24 m, respectively. What is the ratio of work done on mass M1 to that done on mass M2? A. 1 : 4 B. 25 : 12 C. 4 : 1 D. 2 : 1 E. 5 : 1

  17. physics

    A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it hits the floor, assuming that the end on the floor does not slip. (Hint: Consider the stick to be a thin rod and use the

  18. physics

    A 0.105 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.77 kg object hangs vertically from the 6.33 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational and translational

  19. physics

    A 0.101 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.68 kg object hangs vertically from the 6.61 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational equilibrium. If the

  20. Physics-torques

    Suppose that a meter stick is balanced at its center. A 0.27-kg is positioned at 18 cm from the left end of the meter stick. Where should a 0.28 kg mass be placed to balance the 0.27 kg mass? Express your answer in terms of the position (in cm) of the

  21. physics

    a mass is thrown vertically upwards with an initial velocity of 30m/s. a second mass is dropped 0.5s later from directly above the height of 60m from the mass. when do they meet and at what height?

  22. physics

    How much work is done when a mass of 3 kg (weighing 30 N) is lifted vertically through 6 m?

  23. physics please help!!!!!!

    a mass is thrown vertically upwards with an initial velocity of 30m/s. a second mass is dropped 0.5s later from directly above a height of 60m from the first mass. when do they meet and at what height?

  24. physics

    if the fulcrum of a .15 kg meter stick was placed at 25 cm and a 300 g mass at the 5 cm mark, would it be possible to balance the meter stick with a 100 g mass on the long side of the meter stick? what would the position of the mass have to be to balance

  25. Physics

    In lab, a meter stick has its center of gravity at the 45.5 mark. The stick is supported with a meter stick clamp at the 25.0 mrk. A 3.500 kg mass is hung at the 18.2 cm mark to maintain rotational equilibrium. Whats is the calculation of the

  26. Moment

    A uniform meter rule is freely pivoted at 30cm mark and balances horizontally when a mass is 80g is hung from 2cm mark. Draw a diagram of the meter rule showing all the forces acting on the meter rule. Calculate the mass of the meter rule?

  27. Physics

    a simple pendulum consists of a 1.5 kg mass connected to a cored without and mass or friction. Initially the pendulum is vertically positioned when a 2.0 kg mass collides with ie, causing the pendulum to displace vertically upward 1.25 m. After the

  28. physics

    A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically from the 4.74 cm mark. A mass is attached somewhere on the meterstick to keep it horizontal and in both rotational and

  29. physics

    Suppose you need to measure the mass of an object, but have only a 7-kg standard mass and a meter stick. Place a knife edge under the 50-cm mark of the meter stick. Then put the 7-kg standard mass at the 39.1-cm mark and place the object so as to balance

  30. physics

    A lineaer spring having a force constant k=40 N/m hangs vertically,supporting a 0.8 kg mass.the mass is then pulled down a distance of 0.15 m . During up and down oscillations ,the maximum speed of the mass will be..

  31. physics

    A 100 kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal. There is a coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a

  32. Physics

    How much work is done when a mass of 3kg is lifted vertically through 6m

  33. Physics

    If a 2.0-kilogram mass is raised 0.050 meter vertically, the work done on the mass is approximately (1) 0.10 J (2) 0.98 J (3) 9.8 J (4) 40. J

  34. physics

    A mass of 0.116 kg hangs from a vertical spring in the lab room. You pull down on the mass and throw it vertically downward. The speed of the mass just after leaving your hand is 5.60 m/s. (a) While the mass moves downward a distance of 0.04 m, how much

  35. Physics

    A meter rule is placed horizontally at a fixed point, 1 mass are suspended at both right hand and left hand of the meter. from the center of the meter rule, a masses is hung 20.5cm are wild from the center ...., a mass of 0.1kg is hung at other side from

  36. Physics

    A glider (mass = 0.12kg ) on a frictionless horizontal air track is connected by a light string over a pulley to a metal block (mass = 0.13kg ) hanging vertically (see figure below). The objects are released from rest and move 0.44 m . a)Find the objects'

  37. College Physics

    A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale,

  38. physics

    A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically from the 4.74 cm mark. A mass is attached somewhere on the meterstick to keep it horizontal and in both rotational and

  39. Physics

    A hockey puck of mass m = 70 g is attached to a string that passes through a hole in the center of a table, as shown in the figure below. The hockey puck moves in a circle of radius r = 1.20 m. Tied to the other end of the string, and hanging vertically

  40. Physics 1401

    An ideal meter stick is balanced on a pencil which is at the 60 cm mark. A 6 gram mass sits at the 90 cm mark. What is the mass of the meter stick? Again, I have the answer and it is 18g. I have no clue where to even begin with this questions. Thank you in

  41. Physics

    A 2.00kg mass is hanging on a vertical compressed spring 1.0 m above the floor.The spring constant is 75N/m and the spring is compressed 0.90m. The mass is released so that it falls vertically.Determine 1) The acceleration of the mass when it was dropped.

  42. physics

    In the equilibrium lab, you place the fulcrum (pivot point) at the 25 cm mark on the meter stick. Then you hang a mass #1 of 75 grams at the 62.5 cm mark, a mass #2 of 25 grams at the 12.5 cm mark, and a mass #3 at the 0 cm mark. Find the value of mass #3

  43. Physics-Torques

    Suppose you have a meter stick with two masses attached. The mass m1 is 0.60 kg and it is located at x1 = 30 cm from the left (zero) end of the meter stick. The pivot point is located at x = 45 cm. The mass of the meter stick (mms = 0.40 kg) is located at

  44. physics Q

    can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an

  45. physics

    how do i solve this, i tried dividing the mass by the height, but its wrong A 407-kg pile driver is raised 15 m above ground. (a) How much work must be done to raise the pile driver?__kj (b) How much work does gravity do on the driver as it is raised?__kj

  46. physics

    A uniform meter rule of mass 120 g is pivoted at the 60 cm mark. At what point on the meter rule should a mass of 50 g be suspended for it to balance horizontally?

  47. physics

    A 100kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal, the coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a surface

  48. physics

    A 100kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal, the coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a surface

  49. physics please help!!

    Hung vertically, a massless spring extends by 3.00 cm when a mass of 992.0 g is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.800 m/s towards

  50. Physics

    A spring with an unstrained length of 0.066 m and a spring constant of 2.3 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 4.84 10-3 kg and

  51. Physics

    In the diagram below, how far from the end of the board can a 60 kg person walk before it will tip over? The mass of the board is 100 kg, and a 2-meter section of its 6-meter length hangs over the edge. Assume that the entire mass of the board acts at the

  52. Physics

    A uniform rod AB of length 2a and mass M is freely pivoted at A and is held with B vertically above A. It is then allowed to fall and when B is vertically below A it strikes a stationary particle , also of mass M,which sticks to the rod at B. The rod then

  53. physics

    A 12 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from a pulley as shown. Compare the accelerations when the masses are interchanged, that is, for the case where the 100 kg mass

  54. Physics

    An ideal gas at 18.0 °C and a pressure of 2.83 x 105 Pa occupies a volume of 2.63 m3. (a) How many moles of gas are present? (b) If the volume is raised to 5.09 m3 and the temperature raised to 31.6 °C, what will be the pressure of the gas? If N is the

  55. math

    A mass on the end of a spring which is hanging vertically is raised up and let go. It then oscillates between 2m and 1.5m above the floor and completes 32 cycles in one minute. The height, h metres, of the mass above the floor after t seconds can be

  56. Physics

    A meter stick is positioned on a horizontal table top such that the 100cm end extends over the edge of the table. A 200 g mass is produced on the 85 cm mark of the meter stick. When the 70 cm mark of the meter stick is on the edge of the table, the meter

  57. Osciallations

    A partridge of mass 5.01kg is suspended from a pear tree by an ideal spring of negligible mass. When the partridge is pulled down 0.100 m below its equilibrium position and released, it vibrates with a period of 4.20s . What is its speed as it passes

  58. Physics

    Hung vertically, a mass less spring extends by 3.00 cm a mass of 739. G is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.900 m/s towards the

  59. physics

    A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force F then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle (theta)=(theta)0 and the mass has been raised

  60. science

    at a construction site a crane lifts a block of mass,m,vertically upwards through a height of 70 m at constant speed by means of a strong cable.The block experiences a force of magnitude 8 N as a result of air friction as it is lifted vertically upwards.

  61. Physics

    A 10-kg mass is projected straight up with a speed of 20.0 meter/second. 1. Find the initial kinetic energy of the mass 2. To what height does the mass rise?

  62. Physics

    A uniform meter rule PQ is balanced on a knife edge at the 80cm mark.If a mass of 200g is suspended at Q,calculate the mass of the meter rule.

  63. physics

    A spherical mass 'm'is dropped vertically off a building starting from rest and 'y=0'.the mass experience a resistive force 'FR=-bv'.let 'r=b/m'.find the position'y(t)'of mass??? pizzzzzzzzzzz help me.........

  64. Physics

    A 0.105 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.77 kg object hangs vertically from the 6.33 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational and translational

  65. PHYSICS PLEASE HELP QUICKLY

    If a person has more mass do they do more work or exert more power? (When walking up the stairs) (Compared to a person with less mass) Am I on the right track? This is what I have so far... The person with most mass does not necessarily do the most work.

  66. physics

    small mass hangs at rest from a vertical rope of length that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle and the mass has been raised by a vertical distance .

  67. Physics

    The mass on a pendulum is given 20 J of potential energy. If the mass is 2 kg, how high, in meters, was it raised? Please round your answer to the nearest whole number and use g = 10 m/s2

  68. Physics(Rotational Energy)

    Suppose three masses are arranged as shown, connected by a rodless mass. (2 kg)-------(6 kg)--------(4 kg) 2m 3m a) If this object is free to rotate in space, about what point will it spin? b) A small mass (m=0.1 kg) drops vertically onto the2 kg mass

  69. testing of materials

    How do I solve these two problems ? 1.The mass of a quantity of is 32.7 g. What is it's volume in cm raised to the third power ? 2.The volume of a quantity of water is 0.42 cm raised to the third power. Find its mass in g.

  70. Physics

    A uniform meter rule of 15 cm mark where a mass of 50g is affected at the 7cm mark calculate the mass of the meter rule

  71. Physics

    Q2. Compare the two different scenarios of getting a heavy bag of cement to a height of 1 meter. (a) Lifting the bag vertically upwards. (b) Walking up a long ramp to get the bag up to a height of 1 meter. What is the work done by gravity in either

  72. Physics

    A spring id vertically, as shown below, and a 500g mass is hung from its lower end. The EQUILIBRIUM extension of the spring is observed to be 10.0cm. (1) What is the spring constant of the spring? A: 49N/m (B) If the is pulled down by 5.00cm and released,

  73. Science

    A rope is used to host an object with a mass of 1,3 tons vertically through a distance of 100m. The mass of the rope is 2kg per metre. Determine: the work done.the average tension in the rope and the power used if it takes 2minutes to host the object.

  74. physics

    A boy with a mass of 50 kg climbs 40m vertically when walking up the stairs of the campus. How much work does he do against gravity?

  75. Physics

    If a 2.0-kg mass if raised 0.050 meter vertically, the work done on the mass is?

  76. PHYSICS - HELP

    Two ingenious 120 student students decide to use an oscillating mass on a spring to check the shutter (exposure) time of their camera. They set up vertically alongside the mass and spring. A pointer attached to the mass allows the scale on the meter stick

  77. PHYSICS

    Two ingenious 120 student students decide to use an oscillating mass on a spring to check the shutter (exposure) time of their camera. They set up vertically alongside the mass and spring. A pointer attached to the mass allows the scale on the meter stick

  78. PHYSICS - HELP

    Two ingenious 120 student students decide to use an oscillating mass on a spring to check the shutter (exposure) time of their camera. They set up vertically alongside the mass and spring. A pointer attached to the mass allows the scale on the meter stick

  79. physics

    a wieght of 10kg mass is raised through a hieght of .8 meter from 1.5 meter to 2.3meter against force of gravity.how much energy isrequired in cals.

  80. physics

    if the fulcrum of a .15 kg meter stick was placed at 25 cm and a 300 g mass at the 5 cm mark, would it be possible to balance the meter stick with a 100 g mass on the long side of the meter stick? what would the position of the mass have to be to balance

  81. Physics

    Two blocks of the same mass are raised up a height of 3m from the ground. One is raised straight up and placed on a pedestal and the other is pushed up an incline with friction to get there. In which case, if either is work more necessary? Which block

  82. Physics

    Suppose you have a meter stick balanced at its midpoint on a fulcrum. Mass one is 25 g and is placed 20 cm from the balance point. Mass 2 is 35 cm from the balance point when the meter stick is horizontal. What is the mass of mass 2?

  83. physics( i have no idea how to go about gettign th

    a uniform meter stick of mass 100g is pivoted about the 30 cm mark. a mass of 200 g is placed at the 10 cm mark. where should a mass of 50 g be placed so that the meter stick balance horizontally?

  84. physic

    Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. •Mass1 = 3.75 kg •Mass2 = 2.4 kg •String length =

  85. physics

    a uniform meter rule is pivoted at 20cm mark . It is balanced when mass of 100gm on 10cm mark and mass of 50 gm on 30 cm mark are suspended. Find d mass of meter rule

  86. physics

    A spherical mass 'm'is dropped vertically off a building starting from rest and 'y=0'.the mass experience a resistive force 'FR=-bv'.let 'r=b/m'.find the position'y(t)'of mass???

  87. Physics

    The work done on an object with a mass of 50 kg raised 3 meters is ________ Nm.

  88. physics

    How much work must be done to roll a metal safe, mass 116 kg, a distance of 15.0 m across a level floor? The coeffecient of friction is 0.050.

  89. Physics

    A pendulum is constructed of a 6.7 gram mass suspended on a 55cm thread. The mass is displaced vertically 55 cm to a point exactly horizontal from the top of the thread and released. The mass swings down and is cut directly above the mass when the mass is

  90. Applied Mathematics ( Mechanices

    A mass of 50 kg is moved vertically upwards by a rope. find the tension in the rope when: (a) the mass moves with constant velocity of 3ms-1 (b) the mass accelerates up wards at 5ms-2 (c) the mass accelerates downwards at 5 ms-2 I couldn't manage this

  91. Physics 1401

    An ideal meter stick is balanced on a pencil which is at the 60 cm mark. A 6 gram mass sits at the 90 cm mark. What is the mass of the meter stick? Again, I have the answer and it is 18g. I have no clue where to even begin with this questions. Thank you in

  92. Physics

    You take a 10 N block and lift it 1 meter vertically from the floor and then place it back down on the floor. How much work do you do during this motion? W = F x d x cos(theta) So lifting it does work and the lowering it does negative work won't that

  93. physics

    Assume that there is no friction between m2 and the incline, that m2 = 1.8 kg, m1 = 1.4 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 3.6 kg m2, and θ = 27.0°. Mass 1 is hanging vertically while mass 2 is on the incline.

  94. physics

    Assume that there is no friction between m2 and the incline, that m2 = 1.8 kg, m1 = 1.4 kg, the radius of the pulley is 0.10 m, the moment of inertia of the pulley is 3.6 kg m2, and θ = 27.0°. Mass 1 is hanging vertically while mass 2 is on the incline.

  95. Physics

    A high school cheerleader has a baton that is 1 meter long with a 100 gram mass on each end. Another cheerleader has a baton that is 0.5 meter long with the same mass on each end. Neglecting the mass of the rod holding the masses together, which baton will

  96. physics

    A mass of 2.9 kg is hanging vertically from a string with a length of 2.4 meters. It is then raised to an angle of 50 degrees with the vertical and given some velocity, v. If the string breaks at a tension of 163.8 Newtons, what is the maximum value for v

  97. physics

    a mass of 5 kg descending vertically,draws up a mass of 3 kg by means of a light string passing over a pully.at the end of 4 s,the string.how much higher the 3 kg mass would go?

  98. physics

    a mass of 5 kg descending vertically,draws up a mass of 3 kg by means of a light string passing over a pully.at the end of 4 s,the string.how much higher the 3 kg mass would go?

  99. Theory of Vibration

    (1) The time for vibration of a viscous-damped spring mass system having a mass of 20kg is 0.30s. When the mass is stationary the upper end is made to move vertically downward at a velocity of 100mm/s. neglecting the mass of the spring and taking the

  100. Physics

    A mass of 5kg decending vertically draws up a mass of 3kg by means of a light string passing over a pulley. At the end of 4s the string breaks. how much higher the 3kg mass would go?

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