particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force

51,538 results
  1. Science

    Which of the following statements best describes the particles of liquid? a.The particles are far apart and moving fast. b.The particles are close together but moving past each other. c.The particles are far apart and moving slowly. d.The particles are

  2. Physics

    A 10 kg mass is hung from 2 light, inextensible strings such that the vertical string is attached to the top of the block at an angle 60 degree and the other string is attached straight horizontally to the adjacent side of the mass. How do we solve the

  3. physics

    You know that you can safely stand on the hang-over end of a heavy plank that rests on a table. How far depends on your mass and the mass of the plank. Suppose you can stand on the end of a plank that overhangs the edge of the supporting table 1/4 its

  4. physics

    A light, inextensible cord passes over a light, frictionless pulley with a radius of 11 cm. It has a(n) 14 kg mass on the left and a(n) 4.3 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 2.1 m apart. The

  5. Chemistry

    What would be the speed of the following particles if they had the same wavelength as a photon of green light (λ = 500.0 nm)? Proton (mass = 1.673*10^(-24)g) =_____ neutron (mass = 1.675*10(-24)g) =_____ electron (mass = 9.109*10^(-28)g) =_____ alpha

  6. Physics

    In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e-25 kg and which is initially at rest undergoes spontaneous "alpha" decay. The original nucleus disappears, and two new particles appear: a He-4 nucleus of mass

  7. AP Physics C

    One dimension. In the figure, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 5.00 mA. A third particle C, of mass 62.0 mA, is to be placed on the x axis and near particles A and B. In

  8. physics

    A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

  9. physics

    Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +4.3 m/s. Particle 2 has a mass m2 and a velocity v2 = -6.3 m/s. The velocity of the center of mass of these two particles is zero. In other words, the center of mass

  10. physics

    The drawing shows three particles that are moving with different velocities. Two of the particles have mass m, and the third has a mass 2m. The third particle has a velocity of v3 = +5.1 m/s. At the instant shown, the center of mass (cm) of the three

  11. PHYSICS

    Chapter 07, Problem 48 Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +5.0 m/s. Particle 2 has a mass m2 and a velocity v2 = -7.9 m/s. The velocity of the center of mass of these two particles is zero. In other

  12. Chemistry

    What would be the speed of the following particles if they had the same wavelength as a photon of green light (λ = 500.0 nm)? Proton (mass = 1.673*10^(-24)g) =_____ neutron (mass = 1.675*10(-24)g) =_____ electron (mass = 9.109*10^(-28)g) =_____ alpha

  13. HELP!!!

    A light, inextensible cord passes over a light, frictionless pulley with a radius of 10 cm. It has a(n) 24 kg mass on the left and a(n) 6.1 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 4.3 m apart. The

  14. Physics

    A horizontal forces of magnitude 500N pulls two blocks of masses m1=10 kg and m2=20 kg which are connected by the light inextensible string and lying on the horizontal frictionless surface. Find the tension in the strings and acceleration of each mass when

  15. Physics

    A 8.90-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.150, find the tension in the string.

  16. Physics

    A light, ideal spring with a spring constant k = 100 N/m and uncompressed length L = 0.30 m is mounted to the fixed end of a frictionless plane inclined at an angle θ = 30.0° as shown above. Then a mass M 0.300 kg is affixed to the end of the spring and

  17. physics

    A 9.10-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.203, find the tension in the string.

  18. physics

    One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 4.00 mA. A third particle C, of mass 80.0 mA, is to be placed on the x axis and near particles A and B. In

  19. physics

    Two buckets each of mass 5kg are connected one each end of a light inextensible string going over a smooth pulley. A piece of putty of mass 2kg is dropped through a height of 20m into one bucket and become attached. Calculate (i) The initial velocity of

  20. M1, Physics

    Two hooks A and B are fixed to a ceiling, where AB is 2.5 m. A small object of mass 3 kg is suspended from A and B by two light inextensible strings so that it is 2 m from A and 1.3 m from B. calculate the tension in strings

  21. physics

    A ball of mass 500g attached to a light inextensible strings whirled around at a constant speed of 8m/s. If the tension necessary to maintain the body in circular motion is 80.0N, calculate the length of the string.

  22. physics

    A 500g trolly is placed on a runway that is tilted so that it makes an angle of 30 degrees to a horizontal table.A light inextensible string is attached to 150g mass piece.the trolly accelerates down the slope as a result of the force applied by the

  23. physics

    In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B has mass 4.00mA. A third particle C, of mass 96.0mA, is to be placed on the x axis and near particles A and B. In terms of

  24. physics help

    A block Q Of mass 70 kg is at rest on a table it is connected to block P By means two light inextensible strings knotted at S .A Third string is arranged in such a way that the string connecting block Q is horizontal. Calculate the maximum weight of block

  25. physics

    Six identical particles each of mass ‘m’ are arranged at the corners of a regular hexagon of side length ‘L’. If the masses of any two adjacent particles are doubled. The shift in the centre of mass is???

  26. math

    Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end

  27. Physics

    Can you plz give explaination to the solutions steps by steps in brief? Cz i really don't understand how 2 apply the formula when i revise it nw. Thnkz a lot. [g=10 ms^-2] Particles P, of mass 0.3 kg & Q, of mass 0.2 kg are attached to the ends of a light

  28. physics

    Acceleration of a Mass in a Pulley System Block 1 of mass m1 slides on a frictionless plane inclined at angle θ with respect to the horizontal. One end of a massless inextensible string is attached to block 1. The string is wound around a frictionless

  29. physics

    A block of mass 2 kg is connected to a freely hanging block of mass 4 kg by a light and inextensible string which passes over pulley at the edge of a table. The 2 kg mass is on the surface of the table assumed to be smooth. Calculate the acceleration of

  30. Physics

    Cn u plz gv explaination 2 d solutions steps by steps briefly?Cz i really dnt understand hw 2 apply d formula wen i revise it nw. Much appreciated. [g=10 m/s^2 ] a fixed wedge whose smooth sloping face is inclined at 30 degree to the horizontal. A particle

  31. Physics

    You know that you can safely stand on the hang-over end of a heavy plank that rests on a table. How far depends on your mass and the mass of the plank. Suppose you can stand on the end of a plank that overhangs the edge of the supporting table 1/5 its

  32. science

    1.which two particles are found in an atoms nucleus? 2. which two particles in an aton are equal in number? 3. what two particles account for almost all of the mass of an atom?

  33. physics

    A compound metal bar has 4 kg of copper making up the first third of the bar, while the remainder is made of 12 kg of lead. The bar is 3 meters in length. In addition, a mass of 2 kg is hung 1m from the left end of the bar, and a mass of 6 kg is hung 2m

  34. physics

    One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and particle B has mass 4.00 mA. A third particle C, of mass 80.0 mA, is to be placed on the x axis and near particles A and B. In

  35. physics

    Toss a baseball bat through the air and it wobbles about its ____________________. A) light end. B) center of mass. C) heavy end.

  36. answer check science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  37. Science

    In physics,Light chapter: A/c to huygens principle light travels in the form of Waves but When he explained Ripple's tank experiment he showed that light travels in the form of particles{in diagram}Why?

  38. phy

    1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational

  39. Science

    Why do some chemical reactions occur? Select all that apply. so the particles can have less energy so the particles can turn into gas so the particles can have less volume so the particles can be more spread out

  40. college physics

    an atwood machine is constructed by mounting a well-lubricated pulley (not necessarily a ring/disc), whose radius is 6.00cm on an axle and passing a rope over the pulley. Each end of the rope is attached to a different mass of 3.0 kg and 2.0kg so they both

  41. physics

    Ok, let's use the following information to very roughly estimate the size of the nucleus. Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.70 million electron volts,

  42. physics

    Ok, let's use the following information to very roughly estimate the size of the nucleus. Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.70 million electron volts,

  43. science

    Particles of mass 3m and 5m hang one at each end of a light inextensible string which passes over a pulley.the system is released from rest with the hanging parts taut and vertical.during the subsequent motion the resultant force exerted by the string on

  44. Math

    Particles of mass 3m and 5m hang one at each end of a light inextensible string which passes over a pulley.the system is released from rest with the hanging parts taut and vertical.during the subsequent motion the resultant force exerted by the string on

  45. Machanics

    particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

  46. math

    particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

  47. Math

    particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on

  48. physics

    A 2kg and a 4kg hang freely at opposite ends of a light inextensible string which passes over a small and light pulley fixed to a rigid support calculate the acceleration of the system

  49. math

    Two particles A and B of mass 5kg and 9kg respectively rests on the smooth faces of a fixed wedge .They are connected by a light inextensible string passing over a smooth pulley at C and are released from rest.In the subsequent motion B hits the ground and

  50. science

    Which of the following does NOT describe a suspension? A)particles are soluble B)particles settle out over time C)particles can block light D)particles scatter light

  51. physics

    If M and m are particles connected by light inextensible string. M is held at center and rotated about horizontal axis as M is in equilibrium.What is torque ABOUT ITS CENTER

  52. physics

    f M and m are particles connected by light inextensible string. M is held at center and rotated about horizontal axis as M is in equilibrium.What is torque ABOUT ITS CENTER

  53. Science

    Two blocks of mass M kg and 2,5 kg respectively are connected by a light,inextensible string.The string runs over a light,frictionless pulley

  54. physics essay question

    If you fire a bullet through a block of wood, it will slow down as it passes through the block and emerge at less than its initial speed. If you shine light on a pane of glass, it will slow down as it travels through the glass, but reemerge at light speed.

  55. Maths

    The diagram shows a 6 kg block resting on a rough horizontal table. It is connected by light, inextensible strings passing over two smooth pulleys to two blocks of masses 2kg and 5kg which hang vertically. Calculate the coefficient of friction between the

  56. physics

    a 2kg and a 4kg hang freely at opposite end of a light in-extensible string which passes over a small and light pulley fixed to a rigid support.calculate the acceleration of the system.

  57. Physics

    Cn u xplain the solutions steps by steps? Cz i really dnt understand wen i revise it nw. Tnxs u kindly. Two particles A & B are connected by a light inextensible string passing over a smooth pulley P. Particle A, of mass m, lies on a plane inclined at

  58. st stevens college baja

    A light inextensible string passes over a smooth light pulley and masses of 3 and 7 kg are attached to its ends.the masses are released from rest when 7kg mass is 1m above a horizontal table. 1) show that 7kg mass hits the table about 5/9 seconds if

  59. Science

    2.1 Two blocks of mass M kg and 2.5kg respectively are connected by a light, inextensible string. The string runs over a light, frictionless pulley ,The blocks are stationary 2.1.1 calculate the tension in a string The coefficient of static friction

  60. Physics

    Can you explain the solutions steps by steps? Because i really don't understand when i revise it now. Thanks. The lines CA & CB are lines of greatest slope of two smooth fixed planes that intersect in a horizontal line through C. AB is horizontal & 5 m

  61. physics

    4. An object is being lifted to the top of building by a light inextensible rope with a tension of 20 N at an acceleration of 1.4 m/s2. Neglecting air resistance, calculate the object’s mass.

  62. Mechanics

    A light inextensible string, which passes over a fixed smooth peg A, is fastened at one end to a small ring R of mass 0.1kg and at the other end to a particle P of mass 0.3kg. The ring is threaded on a fixed rough vertical wire and the system rests in

  63. Physical Sciences

    A diagram shows a rope and pulley arrangement of a device being used to lift an 800 N object.Assume that the roped are light and inextensible and also that the pulley is light and frictionless.

  64. Physics

    i really dnt understand wen i revise it nw so cn u xplain the solutions 2 me. Thnks.[take g=10 ms^-2] Two particles P & Q, of equal mass m, are attached to the ends of a light inextensible string. The string passes through a small smooth hole at the vertex

  65. science

    How can a particle have energy but no mass?when there is an equation E=mc^2. Another question how can light particles have momentum without mass !When p=mv>>>>>>>>>DOUBT PLZ CLARIFY! DOUBTS ARE THE KILLERS OF HUMAN BRAIN!

  66. Physic

    Can some one help me with this question. A uniform 119.0 cm long, 78.0 gram wooden rod is suspended from it midpoint. On one end of the rod, a mass of 350 g is attached, and on the other end a mass of 150 g is attached. A third mass of 225 g is attached at

  67. Cosmolgy

    Which of these is the correct relationship between b, the bias factor, the fluctuations in mass (Δρ/ρ)mass and the fluctuations in light (Δρ/ρ)light? b2(Δρ/ρ)light = (Δρ/ρ)mass−1 (Δρ/ρ)light (Δρ/ρ)mass=b (Δρ/ρ)light=b(Δρ/ρ)mass

  68. Physics

    A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle with an 8-m radius. The gliders mass is 10 m/s. a) what is the net force on the hang glider? b) What is the acceleration?

  69. Physics

    A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle with an 8-m radius. The gliders mass is 10 m/s. a) what is the net force on the hang glider? b) What is the acceleration?

  70. Science

    1) Instead of using the word "random",is it acceptable to say particles in a liquid move about in "different" directions? 2) Why does ice have a higher density than water vapour? Is it because ice has a greater mass in a fixed volume? 3) The statement

  71. Physics

    Cn u plz gv explaination 2 d solutions bit by bit in brief? Cz i really dnt understand hw 2 apply d formula 2 solve it when i revise nw.Thnkz. [g=10 m/s^2 ]a particle P of mass m kg on a rough horizontal table. The coefficient of friction between P & the

  72. M1, Mechanics

    A particle of mass 4kg is suspended from a point A on a vertical wall by means of a light inextensible string of length 130cm.A horizontal force P, is applied to the particle so that it is held in equilibrium a distance of 50cm from the wall. Find the

  73. physics

    Two dimensions. In the figure, three point particles are fixed in place in an xy plane. Particle A has mass mA = 4 g, particle B has mass 2.00mA, and particle C has mass 3.00mA. A fourth particle D, with mass 4.00mA, is to be placed near the other three

  74. Physics

    A light spiral spring is suspended from its upper end. A mass of 7.5*10^-2, hung from the lower end produces an extension of 0.15 m. The mass is pulled down to a furthur 8.0*10^-2 m and released so that it oscillates calculate the spring constant.

  75. KINEMATICS (PHY)

    A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not

  76. Physics Classical Mechanics

    A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not

  77. Physics

    Two particles, of mass m and mass nm, undergo a head-on, fully elastic collision. (Here n is just a unitless number.) Before colliding the particles approach one another with equal speed v. Snapshots of the particles before, during, and after the collision

  78. physics

    One particle has a mass of 2.86 x 10-3 kg and a charge of +7.32 μC. A second particle has a mass of 6.41 x 10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation

  79. phy111

    A ball of mass 50 g tied to the end of a 50 cm inextensible string is whirled around in a vertical circle. Find the tension in the string when the ball is at the top of the circle. Take g=10m s2

  80. Math

    Two particles X and Y joined by a rigit rod of negligible mass, move along a smooth horizontal plane. Particle X has mass 7.7kg and is pushed by an external force Fx of magnitude 73.01N. Particle Y has mass 5.68kg and is pulled along the plane by an

  81. Physics

    Consider the figure above consisting of three particles of mass m attached to a massless rod. Given an axis of rotation through point P, the rod rotates as shown in the figure. If the rod is released from rest in the horizontal position at t = 0. What is

  82. Physics

    Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.6 million electron volts, a charge of +2e, and a mass of about four AMU (one Atomic Mass Unit is 1.66 x 10-27 kg.

  83. science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  84. Physics

    Two particles of masses 6kg and 3kg are attached to the two ends of an inextensible string passing over a pulley.the string is kept taut and the masses are released.. Calculate the common velocity of the particle and the distancetravelled after 5s

  85. college physics

    In the figure below, two point particles are fixed on an x axis separated by a distance d. Particle A has mass mA and particle B has mass 2.00mA. A third particle C, of mass 90.0mA, is to be placed on the x axis and near particles A and B. In terms of

  86. Physics

    A 15 ft plank of mass 50 kg is laid across two ladders. The ladders are 5 ft apart, and the plank is laid such that 5 ft of it hang off at each end. You have a mass of 90 kg. (a) How far out past the ladder can you walk before it gets dangerous? I tried

  87. Physics

    A particle of mass m = 3.04kg is suspended from a fixed point by a light inextensible string of length = 1.11m. You are required to determine the relationship between the period of swing and the length of the pendulum. For small angle approximation, sin

  88. aaa

    You find that if you hang a 1.85 weight from a vertical spring, it stretches 5.50 . What is the force constant of this spring in N/m? How much mass should you hang from the spring so it will stretch by 8.45 from its original, unstretched length?

  89. English

    Can you please tell me if the following description of a classroom is correct? 1) My classroom is on the ground floor, just opposite the teacher's room. 2) It is very large and full of light (sunny??) since it has got two big windows overlooking the

  90. physics

    Robin is making a mobile to hang over her baby sister's crib. She purchased four stuffed animals: a teddy bear (16 g), a lamb (18 g), a little pony (22 g) and a bird (15 g). She also purchased three small wooden dowels, each 14 cm long and of mass 7 g, and

  91. Physical Science

    Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is A. a stream of particles. B. a wave. C. heat.

  92. physics

    1 What is the gravitational field strength at a height h above the surface of the Earth? R is the radius of the earth gR2(R+h)2 gR(R+h) Rg(R−h) R2g(R−h)2 2 The instrument used for experimental determination of the value of the universal gravitational

  93. physics of grade 11

    Consider a simple pendulum consisting of a small marble of mass 10 g that can be onsidered a point mass suspended from the lower end of an inextensible string of length 80 cm and whose mass is negligible. The upperstring is connected to a fixed point O

  94. Physics, please help today!

    0.0100kg particles have been glued to a rod of Length L=6.00cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change the rotational rate (a) from 0-20.0 rad/s, (b) from 20.0 rad/s to

  95. physics

    A mobile is constructed from a thin rod of mass 50 g and length 50 cm. Two hanging masses are positioned at each end of the rod. The mass of one of the hanging masses is 100 g. What must be the mass of the other hanging mass so that the mobile is in static

  96. physics

    A mobile is constructed from a thin rod of mass 50 g and length 50 cm. Two hanging masses are positioned at each end of the rod. The mass of one of the hanging masses is 100 g. What must be the mass of the other hanging mass so that the mobile is in static

  97. physics

    A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

  98. Physics

    Two charged particles have equal mass and carry charges of 2 nC and 3 nC respectively. They enter a magnetic field of strength 2 mT at the same velocity. Assuming that both particles exit the field parallel to each other and perpendicular to the field,

  99. Physics

    Two particles A and B,are of equal mass,and moving towards each other,with speeds of 3m/sand 2m/s respectively and collide.Particle B then strikes a plane surface,which is perpendicular to its direction of motion and the rebounce.If the coefficient of

  100. Physics

    Karen hang a spring vertically and attaches 30g Mass to the springs other end. If the spring stretches 5 cm. What is the spring constant?

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