The rod of the fixed hydraulic cylinder is moving to the left with a speed of 100 mm/s and this speed is momentarily increasing at a rate of 400 mm/s each second at the instant when sA = 425 mm

51,434 results
  1. Physics

    According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Assume the speed quoted is that of the end of the rod. What is the centripetal

  2. Physics

    Three identical balls, with masses M, 2M, and 3M are fastened to a massless rod of length L as shown. The rotational inertia about the left end of the rod is: That's the layout below. Would calculus be needed in this problem (intergration) because then Im

  3. physics

    A small cylinder rests on a circular turntable that is rotating clockwise at a constant speed. The cylinder is at a distance of r = 12 cm from the center of the turntable. The coefficient of static friction between the bottom of the cylinder and the

  4. physics

    A thin, uniform rod is hinged at its midpoint. To begin with, one-half of the rod is bent upward and is perpendicular to the other half. This bent object is rotating at an angular velocity of 7.1 rad/s about an axis that is perpendicular to the left end of

  5. Physics

    A nonuniform 2.0-kg rod is 2.0 m long. The rod is mounted to rotate freely about a horizontal axis perpendicular to the rod that passes through one end of the rod. The moment of inertia of the rod about this axis is 4.0 kg m2. The center of mass of the rod

  6. Physics

    A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The figure is a top view, gravity points into the screen. The rod is free to rotate about an axis

  7. Physics

    A mass of 100g is attached to one end of a massless rod, 10cm in length, which is pivoted about the opposite end. The rod is held vertical, with the mass at the top, and released. The rod swings. A. What is the speed of the mass at the instant that the rod

  8. Physics

    A thin, uniform rod is hinged at its midpoint. To begin with, one half of the rod is bent upward and is perpendicular to the other half. This bent object is rotating at an angular velocity of 6.8 rad/s about an axis that is perpendicular to the left end of

  9. physics please help

    One end of a thin rod is attached to a pivot, about which it can rotate without friction. Air resistance is absent. The rod has a length of 0.59 m and is uniform. It is hanging vertically straight downward. The end of the rod nearest the floor is given a

  10. physics

    A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to the plane and passing through the pivot point at a

  11. Physics 121

    The disk has mass 10kg and radius 0.25m. The rod has mass 5kg, length 0.5m and radius 0.05m. The rod is split down the middle and is hinged so that its two halves can lay flat against the disk. Suppose that the disk and rod are initially rotating at

  12. Physics

    a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string

  13. physics

    A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3.00-kg mass attached.

  14. PHYSICS

    What force must be exerted on the master cylinder of a hydraulic lift to support wt of a 2000 kg car resting on the slave cylinder? master : 2cm diameter,slave: 24cm diameter

  15. Dynamics

    The rod of the fixed hydraulic cylinder is moving to the left with a speed of 100 mm/s and this speed is momentarily increasing at a rate of 400 mm/s each second at the instant when sA = 425 mm. Determine the tension in the cord at that instant. The mass

  16. AP PHYSICS MECH.

    Need help urgent!!! A system consist of a ball of M2 and a uniform rod of M1 and length d. The rod is attached to a horizontal frictionless rotates at an angular speed w, as shown in the figure. The rotational inertia of the rod about point P is ? M1 d^2.

  17. physics

    A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to the plane and passing through the pivot point at a

  18. physics

    An object is formed by attaching a uniform, thin rod with a mass of mr = 6.54 kg and length L = 5.12 m to a uniform sphere with mass ms = 32.7 kg and radius R = 1.28 m. Note ms = 5mr and L = 4R. 1)What is the moment of inertia of the object about an axis

  19. Physics

    Three solid cylinder rods roll down a hill with the same linear speed. Rod R1 has a 1inch diamter, Rod R2 has a 2inch diameter, and Rod R3 has a 3inch diameter. They all have the same masses. Rank in order the rotational energies of R!, R2, and R3. a. E1 >

  20. Physics

    A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 2.3 m. (a) If the

  21. Physics

    A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a

  22. Physics

    An object is formed by attaching a uniform, thin rod with a mass of mr = 6.95 kg and length L = 4.96 m to a uniform sphere with mass ms = 34.75 kg and radius R = 1.24 m. Note ms = 5mr and L = 4R. a. What is the moment of inertia of the object about an axis

  23. Physics

    Two point charges +Q and -Q of mass m are placed on the ends of a massless rod of length L, which is fixed to a table by a pin through its center. If the apparatus is then subjected to a uniform electric field E parallel to the table and perpendicular to

  24. Physics

    A 3,0kg cart moving East with a speed of 1.0ms^-1 collides head-on with a 5.0 kg cart that is initially moving West with a speed of 2.0 m.s^-1. After the collision, then 3.0 kg cart is moving to the left with a speed of 1.0 m.s^-1. IGNORE THE FRICTION,

  25. Physics Classical Mechanics

    A rod is lying at rest on a perfectly smooth horizontal surface (no friction). We give rod a short impulse (a hit) perpendicular to the length direction of the rod at X. The mass of the rod is 3 kg, and its length is 50 cm. The impulse is 4 kg⋅m/sec. The

  26. Mechanical science

    The table planning machine is driven horizontally by hydraulic pressure on a piston contained in a cylinder 80mm in diameter. The on the cutting tool is 5KN,the Mass of the moving part is 1000kgs and coificient friction is 0.05.calculate pressure required

  27. Physics

    In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed

  28. Physics

    In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed

  29. Physics

    The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf

  30. Physics

    The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf

  31. College Physics

    A rod of mass 4.3 kg and length 4.3 m hangs from a hinge as shown in Figure P9.28. The end of the rod is then given a “kick” so that it is moving at a speed of 2.3 m/s. How high will the rod swing? Express your answer in terms of the angle (in degree)

  32. physics

    A hydraulic cylinder has to overcome a force of 12,600 pounds on the extend stroke and 9,375 pounds on the return stroke. The maximum system pressure available is 2200 PSIG. What is the smallest diameter cylinder required to overcome the load and what is

  33. college physics

    I don't know where to begin with this question. Could someone help me please? A rod of mass 4.1 kg and length 1.6 m hangs from a hinge as shown in the figure below. The end of the rod is then given a "kick" so that it is moving at a speed of 5 m/s. How

  34. Physics

    If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same.

  35. physics

    If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe about its length? The length of the rod will become exactly half of its original value. The length of the rod remains the same.

  36. Physics

    A thin rod (length = 1.03 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to the mass of the object fixed to the top of the rod. The rod, starting from

  37. Physics

    An object is formed by attaching a uniform, thin rod with a mass of mr = 6.54 kg and length L = 5.12 m to a uniform sphere with mass ms = 32.7 kg and radius R = 1.28 m. Note ms = 5mr and L = 4R. 1)What is the moment of inertia of the object about an axis

  38. physics

    A.An observer moving at a speed of 0.810 c relative to a rod measures its length to be 2.00 m and sees its length to be oriented at 30.0 degrees with respect to the direction of motion. What is the proper length of the rod? B.What is the orientation angle

  39. Physics

    Three solid cylinder rods roll down a hill with the same linear speed. Rod R1 has a 1inch diamter, Rod R2 has a 2inch diameter, and Rod R3 has a 3inch diameter. They all have the same masses. Rank in order the rotational energies of R!, R2, and R3. a. E1 >

  40. Physics

    Three solid cylinder rods roll down a hill with the same linear speed. Rod R1 has a 1inch diamter, Rod R2 has a 2inch diameter, and Rod R3 has a 3inch diameter. They all have the same masses. Rank in order the rotational energies of R!, R2, and R3. a. E1 >

  41. College Physics Help

    A thin rod (length = 1.10 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to the mass of the object fixed to the top of the rod. The rod, starting from

  42. chemistry

    A metal rod has a mass of 17.62 g. A graduated cylinder contains 29.9 mL of water. The metal rod is added to the cylinder. The final water level in the cylinder is 36.1 mL. What is the density of the metal rod?

  43. Physics

    A massless rod of length L = 3.6 m stands up straight, fixed to the ground by a bolt. A horizontal force of 5.5 N is applied at a vertical distance of L/2 to the right. To counter this force and keep the rod stationary, a wire is fixed at the top of the

  44. Physics

    A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 2.3 m. (a) If the

  45. physics

    A uniform rod of mass M = 0.245kg and length L = 0.49m stands vertically on a horizontal table. It is released from rest to fall. (a) Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force

  46. physics

    Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by the table on the rod as it makes an angle θ = 49.6° with respect to the vertical. b) If the rod falls onto the table without

  47. physics

    4. Two masses of 3 kg and 5 kg collide head-on, the former moving to the right with the speed 5 m/s and the latter moving to the left with the speed 3 m/s.After collision they stick together. What amount of mechanical energy is lost? 5. A cylinder with a

  48. Math Trigonometric Functions

    In years past, steam locomotive wheels were driven by a connecting rod attached to a cylinder. Open the Geometer's Sketchpad file below. You will see a simulation representing a toy locomotive wheel. By clicking and dragging the point on the wheel you can

  49. physics

    A solid, horizontal cylinder of mass 12.0 kg and radius 2.30 m rotates with an angular speed of 6.70 rad/s about a fixed vertical axis through its center. A 1.60 kg piece of putty is dropped vertically onto the cylinder at a point 0.600 m from the center

  50. Physics HELP!

    A solid, horizontal cylinder of mass 11.0 kg and radius 1.70 m rotates with an angular speed of 5.10 rad/s about a fixed vertical axis through its center. A 1.21 kg piece of putty is dropped vertically onto the cylinder at a point 0.600 m from the center

  51. Physics

    A long, thin rod (length = 4.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +5.0 µC point charge is fixed to one end of the rod, while a -5.0 µC point charge is fixed to the other end. Everywhere in the x, y plane there is a

  52. physics

    A solid, horizontal cylinder of mass 8.0 kg and radius 1.30 m rotates with an angular speed of 5.50 rad/s about a fixed vertical axis through its center. A 0.250 kg piece of putty is dropped vertically onto the cylinder at a point 0.900 m from the center

  53. algebra based physics

    Two identical 20g particles each carry 4.0μC of charge. One is held fixed, and the other is placed 1.0 mm away and released. Find the speed of the moving charge when it's 1.0 cm from the fixed charge. Find the speed of the moving charge when it's 1.0 km

  54. Calculus

    Let the length of a rod be 10 meters and the linear density of the rod ρ(x) be written in the form ρ(x) = ax + b with x = 0 representing the left end of the rod and x = 10 representing the right end of the rod. If the density of the rod is 2kg/m at the

  55. physics

    I'm reposting this one because I'm still stuck... A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to

  56. physics

    A homogeneous rod AB=100 cm of mass m=4kg is suspended from a fixed roof by means of two very light strings OA and O'C having the same length point C is at 20cm from B , rod AB is in a horizontal position of equilibrium Make the inventory of the forces

  57. College Physics

    A uniform rod of mass M = 437.0 g and length L = 37.1 cm stands vertically on a horizontal table. It is released from rest to fall. A)Which of the following forces are acting on the rod? B)Calculate the angular speed of the rod as it makes an angle θ =

  58. physics

    A moving rod is 12.0 cm long and moves with a speed of 15.0 cm/s. If the magnetic field is 0.800 T, calculate (a) the emf developed, and (b) the electric field in the rod. I got a)0.0132v and b).12v/m

  59. physics

    A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are 0.849 m and 1.17 kg. What constant-magnitude force acting at the other end of the rod perpendicularly both to the rod and to the

  60. physics

    The lightbulb in the circuit shown in the figure has a resistance of 14 Ω and consumes 4.2 W of power; the rod is 1.18 m long and moves to the left with a constant speed of 2.9 m/s . The strength of the magnetic field is 2.2 T . Find the current that

  61. physics

    A glider with a mass of 3 kg is moving rightward at a speed of 2 m/s on a frictionless horizontal air track. It collides with a stationary glider whose mass is 18 kg. If the collision is elastic, what is the speed of the gliders after the collision? Use SI

  62. Physics

    A 2.5 m rod of mass M= 4. kg is attached to a pivot .8m from the left end so that it can rotate vertically. At the left end of the rod is a small object with mass m=1.5kg. A spring with a spring constant k=90N/m is attached to the right end of the rod. The

  63. Physics II

    A bead with a mass of 0.085 g and a charge of 20 nC is free to slide on a vertical rod. At the base of the rod is a fixed 20 nC charge. In equilibrium, at what height above the fixed charge does the bead rest?

  64. Physics with Calculus

    The system shown in the figure is in static equilibrium. The rod of length L and mass M is held in an unpright position. The top of the rod is tied to a fixed vertical surface by a string, and a force F is applied at the midpoint of the rod. The

  65. Science

    the small cylinder of a hydraulic press has an area of 2"(squared). If a force of 10# is applied to the small piston, how much is the pressure within the larger cylinder increased, according to pascal's principle.

  66. physics

    A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a friction-less hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While

  67. College Physics

    A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a friction-less hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While

  68. Physics

    A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a friction-less hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While

  69. physicsssss

    Suppose that the magnetic field in the figure below has a magnitude of 1.1 T, the rod has a length of 0.83 m, and the hand keeps the rod moving to the right at a constant speed of 3.8 m/s. If the current in the circuit is 0.045 A, what is the average power

  70. PHYSICS

    Suppose that the magnetic field in the figure below has a magnitude of 1.1 T, the rod has a length of 0.86 m, and the hand keeps the rod moving to the right at a constant speed of 3.4 m/s. If the current in the circuit is 0.044 A, what is the average power

  71. Calculus 2

    Let a thing rod of length a have a density distribution function p(x)+10e^(-.1x), where x is measured in cm and p in grams per centimeter. A) if the mass of the rod is 30 g, what is the value of a? B) For the 30g rod, will the center of mass lie at its

  72. Calculus

    Let a thing rod of length a have a density distribution function p(x)+10e^(-.1x), where x is measured in cm and p in grams per centimeter. A) if the mass of the rod is 30 g, what is the value of a? B) For the 30g rod, will the center of mass lie at its

  73. physics

    A rotary speed of 2010 m/s. The rotating rod of 15.7 cm long. Assume the speed quoted is that of the end of the rod. What is the centripetal acceleration at the end of the rod?

  74. Physics

    Two waves are combined to form this standing wave equation of y(x,t) = (3 mm)sin[x/(2 m]cos[(100 rad/s)t] a. What's the amplitude of the right moving wave and left moving wave? b. What's the wavelength of the right moving wave and left moving wave? c.

  75. Physics

    Two waves are combined to form this standing wave equation of y(x,t) = (3 mm)sin[x/(2 m]cos[(100 rad/s)t] a. What's the amplitude of the right moving wave and left moving wave? b. What's the wavelength of the right moving wave and left moving wave? c.

  76. Physics

    6.15) You wish to design a hydraulic system so that a force put into it would be increased by a factor of 100. a. What must be the ratio of the area of the slave cylinder to the area of the master cylinder? b. What must the ratio of thr diameter of the

  77. pre calc

    I am sooo confused on my homework. #1 Two cars lave an intersection at the same time. One is headed south at a constant speed of 30mph. the other is heading west at a constant speed of 40mph. Build a model that expresses the distance (d) between thec ars

  78. physics

    If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value.

  79. physics

    If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value.

  80. -!!Physics!!- Really need help with this!

    Three carts are moving on a frictionless horizontal track as shown in the figure. The 4.00 kg cart is moving to the right with a speed of 7.0 m/s, the 10.0 kg cart is also moving to the right with a speed of 6.0 m/s while the 3.00 kg cart moves to the left

  81. physics

    A thin non-uniform rod of length L=2.00 m and mass M=9.00 kg is free to pivot about an axis at one end. The CM of the rod is at a distance d=1.30 m from that end as illustrated below. The rod's moment of inertia about an axis through its CM and parallel to

  82. Physics

    Two point charges, +Q and -Q of mass m, are placed on the ends of a massless rod of length L, which is fixed to a table by a pin through its center. If the apparatus is then subjected to a uniform electric field E parallel to the table and perpendicular to

  83. Physics

    Two point charges, +Q and -Q of mass m, are placed on the ends of a massless rod of length L, which is fixed to a table by a pin through its center. If the apparatus is then subjected to a uniform electric field E parallel to the table and perpendicular to

  84. physics

    A bullet of mass = 0.13 kg is fired with a velocity of = 87.1 m/s into a solid cylinder of mass = 17.1 kg and radius = 0.29 m. The cylinder is initially at rest and is mounted on a fixed vertical axis that runs through its center of mass. The line of

  85. physics

    A metal rod is moving in uniform magnetic field of 2T with a velocity perpendicular to the direction of the field as shown on the diagram. If the speed of the rod is 5m/s and the distance between points A and B is 0.1 meters what is the potential

  86. Waves

    a long fishing rod is kept upright .A boat engine causes the rod to vibrate.Mary speculates that the end of the rod moves to and fro 20 times in 1 minute.The amplitude of the vibrtion is 0.15m.Calculate the speed of the vibration at the end of the fishing

  87. INTRO TO PHYSICS

    Each of the following objects has a radius of 0.174 m and a mass of 2.16 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 37.3 rad/s. Find the magnitude of the angular momentum of each object. >Hoop of

  88. Physics 121

    The disk has mass 10kg and radius 0.25m. The rod has mass 5kg, length 0.5m and radius 0.05m. The rod is split down the middle and is hinged so that its two halves can lay flat against the disk. Suppose that the disk and rod are initially rotating at

  89. mechanics

    A wad of sticky clay of massmand velocity vi is fired at a solid cylinder of massM and radius R. The cylinder is initially at rest and is mounted on a fixed horizontal axle that runs through the center of mass. The line of motion of the projectile is

  90. Math, Algebra

    Rod a is twice as long as rod b, rod c is 1/12m shorter than rod b. If rod c is 1/6m long, find the total length of Rod a and Rod b I thought it would be 2x+(x+1/12)+1/6

  91. physics

    Question Part Points Submissions Used A thin cylindrical rod of length 3.00 m and mass 1.5 kg has two spheres attached on its ends. The centers of the spheres are 1.50 m from the center of the rod. The mass of each sphere is M = 0.72 kg. The rod and

  92. Physics

    A 1000 kg car moving at 27 m/s from left to right collides head-on with a 1500 kg car moving at 30 m/s right to left. A) Determine the magnitude and direction of the velocity of the wreckage after the collision. B) If a 1000 kg car moving at 36 m/s from

  93. physics

    One end of a thin rod is attached to a pivot, about which it can rotate without friction. Air resistance is absent. The rod has a length of 0.48 m and is uniform. It is hanging vertically straight downward. The end of the rod nearest the floor is given a

  94. Physics

    A local ice hockey team has asked you to design an apparatus for measuring the speed of the hockey puck after a slap shot. Your design is a 2.00-m-long, uniform rod pivoted about one end so that it is free to rotate horizontally on the ice without

  95. physic

    Given: Compressor speed is 1500rpm. The compressor has a bore of 3.125 in, a stroke of 3.26in and a connecting rod crank ratio to 3.5. Inlet pressure is atmospheric 14.7 psia, peak cylinder pressure is 132psia, and mean active pressure mep is 26psia. Flow

  96. physics

    A rod with length L and mass m stand on a frictionless table. a ball with mass m and speed u cimped perpendicular to the rod a distance x from the bottom of the rod and sticks to it. what is the angular velocity of the rod+ball after the collison? I need

  97. mit

    Quiz 12, Problem 4 (2 points possible) A uniform rod of length d is initially at rest on a flat, frictionless table. The rod is pivoted about a point a distance d/3 from one of its ends, and is free to rotate on the table about this pivot. A small glob of

  98. Automotive engine parts and operation

    plz help me w/ the answers i have n tell me if i'm wrong. 1. An automotive engine's camshaft rotates at A. the same speed as the crankshaft B. one-quarter the speed of the crankshaft C. one-half the speed of the crankshaft D. twice the speed of the

  99. physics

    1.A cylinder rolls without slipping on a horizontal plane and then up an incline. The linear speed of the cylinder at the beginning is v. What maximal height h will the cylinder reach? 2.Helicopter of mass M holds stationary in the air fires a missile of

  100. Physics

    The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is applied at the right end of the rod at 30 degree angle to hold the rod stationary in a horizontal position. What is the magnitude of

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