# A dielectric in the shape of a thick-walled cylinder of outer radius R1 = 5.15 cm, inner radius R2 = 3.65 cm, thickness d = 3.95 mm, and dielectric constant κ = 3.87 is placed between the plates, coaxial with

18,283 results
1. ## calc

When the height of a cylinder is 12 cm and the radius is 4 cm, the circumference of the cylinder is increasing at a rate of pie/4 cm/m in, and the height of the cylinder is increasing four times faster than the radius. How fast is the volume of the

2. ## Algebra

Sabrinia is building a rectangular raised flower bed. The boards on the two shorter sides are 6 inches thick, and the boards on the two longer sides are 4 inches thick. Sabrina wants the outer length of her bed to be 4 times its height and the outer width

3. ## physics

There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes.

4. ## Math

The coordinates A(0, 0), B(0, 3), C(4, 3) and D(4, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis? Provide an explanation and proof for your answer to receive full credit. My

5. ## college algebra

A propane tank has the shape of a circular cylinder with a hemisphere at each end. The cylinder is 6 feet long and volume of the tank is 5pie cubic feet. Find, to the nearest thousandth of a foot the length of the radius x.

6. ## physics

"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the ground toward the bottom of an incline. They center of mass of each cylinder has the same translational speed. The cylinders roll up

7. ## college algebra

A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is

8. ## Math

The diagram shows a solid metal cylinder. The cylinder has base radius 2x and height 9x. E cylinder is melted down and made into a sphere of radius r. Find the expression for r in terms of x.

9. ## physics

A cylindrical capacitor is made of two thin-walled concentric cylinders. The inner cylinder has radius 4mm , and the outer one a radius 13mm . The common length of the cylinders is 153m . What is the potential energy stored in this capacitor when a

10. ## physics

You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length â„“outer = 400 mm, radius Router = 50 mm, and Nouter = 2000 windings. The inner solenoid has length â„“inner = 40 mm,

11. ## Physics

The inner conductor of a coaxial cable has a radius of 0.900 mm, and the outer conductor's inside radius is 5.00 mm. The space between the conductors is filled with polyethylene, which has a dielectric constant of 2.30 and a dielectric strength of 18E6

12. ## math

A container in the shape of a right circular cylinder with no top has surface area 3*pi (m2). What height h and base radius r will maximize the volume of the cylinder ?

13. ## Algebra

This diagram shows a solid metal cylinder. The cylinder hasbase radius 2x and height 9x. The cylinder is melted down and made into a sphere of radius r Find an expression for in terms of x

14. ## calculus

This one is tough. "A ballon in the shape of a cylinder with hemispherical ends of the same radius as that of the cylinder is shown. The ballon is being inflated at the rate of 261pi cubic centimeters per minute. At the instant the radius of the cylinder

15. ## UOS

A parallel plate capacitor has a capacitance of 7.0mF when filled with a dielectric. The area of each plate is 1.5m2 and the separation between the plates is 1.0x10-5m. What is the dielectric constant of the dielectric?

16. ## Thermodynamics- Fluids Mechanics

The viscosity of a fluid is to be measured by a viscometer constructed of two 3-ft-long concentric cylinders. The inner diameter of the outer cylinder is 6 in, and the gap between the two cylinders is 0.05 in. The outer cylinder is rotated at 250 rpm, and

17. ## physics

Two conducting thin hollow cylinders are co-aligned. The inner cylinder has a radius R1 , the outer has a radius R2 . Calculate the electric potential difference V(R2)−V(R1) between the two cylinders. The inner cylinder has a surface charge density of

18. ## physics

There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes.

19. ## calculus

A potter forms a piece of clay into a cylinder. As he rolls it, the length,L, of the cylinder increases and the radius, r, decreases. If the length of the cylinder is increasing at .1 cm per second, find the rate at which the radius is changing when the

20. ## physics HELP

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

21. ## Physics

Two conducting thin hollow cylinders are co-aligned. The inner cylinder has a radius R1 , the outer has a radius R2 . Calculate the electric potential difference V(R2)-V(R1) between the two cylinders. The inner cylinder has a surface charge density of

22. ## PHYSICS

he magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. The toroid has 800 turns of large-diameter wire, each of which carries a current of 12.0 kA. (a) Find the magnitude

23. ## physics

You have two cylindrical solenoids, one inside the other, with the two cylinders concentric. The outer solenoid has length ℓouter = 400 mm, radius R outer = 50 mm, and N outer = 2000 windings. The inner solenoid has length ℓinner = 40 mm, radius R

24. ## Physics

A parallel-plate capacitor is constructed with circular plates of radius 5.6×10−2 m . The plates are separated by 0.27 mm , and the space between the plates is filled with a dielectric with dielectric constant κ. When the charge on the capacitor is 1.9

25. ## PreCalculus

I'm so confused... I've always been good at math but this year I'm just not getting it. But I know i can I always get help and a REAL explanation from the people on here so... A steel drum in the shape of a right circular cylinder required to have a volume

26. ## Algebra

Sabrina is building a rectangular raised flower bed. The boards on the two shorter sides are 6 inches thick, and the boards on the two longer sides are 4 inches thick. Sabrina wants the outer length of the bed four times it's height and the outer width to

27. ## math

a liquid storage container on a truck is in the shape of a cylinder with hemispheres on each end. the cylinder and hemispheres have the same radius. the total length of the container is 140 feet. I have got the funcion for the volume is y=-2pi/3 x^3+ 140pi

28. ## Math: Geometry

The circumference of the base of a cylinder is 16 cm. The height of the cylinder is 10cm. a. What is the surface area of the cylinder? b. What is the volume of the cylinder? Need help on this one. I have the formula but I'm a little confused because I

29. ## Physics

Consider a spherical plastic shell with inner radius r=1cm, r2=2cm, and a dielectric constant K=4. The center is hollow. Free charge is bound within the plastic. The charge distribution is spherically symmetric but decays with radius, following a charge

30. ## Physics

A long coaxial cable consists of two concentric conductors. The inner conductor is a cylinder with radius R1, and it carries a current I0 uniformly distributed over its cross section. The outer conductor is a cylindrical shell with inner radius R2 and

31. ## MATH

A collar of Styrofoam is made to insulate a pipe. Find its volume . The large R is to the outer rim. The small radius r is to the edge of the insulation. Use 3.14 for pi. r = 5 in. R = 6 in. h = 19 in. Round to two decimal places. It says to subtract

32. ## Physics

A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center. A rope wrapped around the outer radius R1 = 1.0 m exerts a force of magnitude F1 = 5.0 N to the right. A second rope wrapped around another section of radius R2

33. ## Math

Find the volume of a barber's pole having the shape of a right circular cylinder of radius 5 in. and height 29 in. topped by a sphere of the same radius. Round to the nearest tenth, if necessary.

34. ## Physics: Dielectric Constant

A parallel plate capacitor has a capacitance of 9.1 μF when filled with a dielectric. The area of each plate is 2.0 m2 and the separation between the plates is 1.5 x 10-5 m. What is the dielectric constant of the dielectric?

35. ## HELP dielectric

Energy of a Capacitor in the Presence of a Dielectric A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm^2, plate separation d = 10.0 mm and dielectric constant k = 5.00. The capacitor is connected to a battery that creates a constant

36. ## physics

a)A dielectric in the shape of a thick-walled cylinder of outer radius R1 = 5.15 cm, inner radius R2 = 3.65 cm, thickness d = 3.95 mm, and dielectric constant κ = 3.87 is placed between the plates, coaxial with the plates, as shown in the figure.

37. ## physics

A dielectric in the shape of a thick-walled cylinder of outer radius R1 = 5.15 cm, inner radius R2 = 3.65 cm, thickness d = 3.95 mm, and dielectric constant κ = 3.87 is placed between the plates, coaxial with the plates, as shown in the figure. Calculate

38. ## science

a)A dielectric in the shape of a thick-walled cylinder of outer radius R1 = 5.15 cm, inner radius R2 = 3.65 cm, thickness d = 3.95 mm, and dielectric constant κ = 3.87 is placed between the plates, coaxial with the plates, as shown in the figure.

39. ## physics

he question is: A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs, surrounded by a dielectric material with er = 1.8 out to a radius of 1.2mm, then an outer spherical non-conducting shell, with

40. ## science

find the rotational inertia about the symmetry of axis of a thick cylinder of mass M.take the inner radius to be R1 and the outer radius to be R2

41. ## math

a time capsule is in the shape of a cylinder with a hemisphere at each end. if the capsule is surrounded with a metal outer layer 4 cm thick as shown( there's a picture) then determine the volume of the metal outer layer. round your answer to the nearest

42. ## Engineering

--Original Question: A hollow cylinder with outer radius r_0 and inner radius r_i is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L/5 from its right end. What is the maximum

43. ## physics 2a

from solid sphere, solid cylinder and thin-walled cylinder.All three start from the same position and they all have the same kinetic energy a) which oblect will go the farthest b) does the result depend on the mass, radius of the object

44. ## Engineering Physics Opt B

9. The flywheel shown in Figure 14.8 may be considered to be a steel cylinder (density 7800 kg m−3) of outer radius 40 cm and depth 12 cm, but with the central section (of outer radius 18 cm) missing. a. Use this simplification to estimate its moment of

45. ## Physics

A round object with mass m and radius R rolls down a ramp that makes an angle θ with respect to the horizontal. You can assume there is static friction so that the object rolls without slipping. a) For now, take the moment of inertia of the object to be I

46. ## physics

A current I=1A flows along a thin-walled cylinder of radius R=4cm. What pressure in Pascals do the walls of the cylinder experience? Assume that the current is uniformly distributed. Bonus thing to think about: Is this pressure directed inwards or

47. ## Physics

A solid cylinder is pivoted at its center about a frictionless axle. A force is applied to the outer radius of 1.27 m at an angle of 30 ◦ above the tangential and exerts a force of 5 N. A second force is applied by wrapping rope around the inner radius

48. ## Physics

A solid cylinder is pivoted at its center about a frictionless axle. A force is applied to the outer radius of 1.27 m at an angle of 30 ◦ above the tangential and exerts a force of 5 N. A second force is applied by wrapping rope around the inner radius

49. ## Physics

The Leyden jar, invented by chance in 1746, was one of the earliest types of capacitors (see the figure below), made by covering the inner and outer surfaces of a glass jar with conducting layers (for example, aluminum foil). It is a good approximation to

50. ## physics

"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the ground toward the bottom of an incline. They center of mass of each cylinder has the same translational speed. The cylinders roll up

51. ## Geometry

Karen makes pottery on a pottery wheel. Today she is making vases that are in the shape of a circular cylinder that is open at the top, that is, it has only one base. The base has a radius of 4.5 centimeters and 0.75 centimeters thick. The lateral surface

52. ## Physics

When standing erect a person's weight is supported chiefly by the larger of the two leg bones. Assuming this bone to be a hollow cylinder of 2.5 cm internal diameter and 3.5 cm external diameter, what is the compressive stress on the bone (in each leg) in

53. ## Ch. 5 physics help!

There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes.

54. ## Physics

There is a clever kitchen gadget for drying lettuce leaves after you wash them. It consists of a cylindrical container mounted so that it can be rotated about its axis by turning a hand crank. The outer wall of the cylinder is perforated with small holes.

55. ## mathematics

A balloon is in the shape of a cylinder with a hemisphere at both ends.The height of the cylinder is 4 times that of the radius.Air is pumped in the balloon at a rate of 60cm cubed per second .At what rate does the surface area change if the radius is 8cm?

56. ## math

This one is kinda hard. "A ballon in the shape of a cylinder with hemispherical ends of the same radius as that of the cylinder is shown. The ballon is being inflated at the rate of 261pi cubic centimeters per minute. At the instant the radius of the

57. ## Physics

A coaxial transmission line has a solid inner conductor of radius a and a thin-walled outer conductor of radius b. The medium between the conductors has permeability (Mu)0. Find the inductance per meter of length of the line (a) if all current of the inner

58. ## Physics

A parallel-plate capacitor is constructed with circular plates of radius 0.056 m. The plates are separated by 0.25 mm, and the space between the plates is filled with dielectric with dielectric constant k. When the charge on the capacitor is 1.2 uc the

59. ## Science

I wanted the electric field between concentric cylinders, and got anexpression using Gauss' Law that considers only charge enclosed. Thus, there was no influence due to the outer cylinder. But, if we consider the limiting case of the inner cylinder having

60. ## math

Inside a long empty cylinder with radius R = 25 cm is put a long solid cylinder with radius r = 10 cm such that the bases of the two cylinders are attached. Then water is poured in the remaining empty region of the first cylinder until the height of the

61. ## Physics

A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor?

62. ## Physics

Consider a stainless steel annular disk with an outer radius 66 mm and inner radius 7.1 mm. The mass of the disk is 1351 grams. Keep your answers to at least 4 significant digits. The stainless steel annular disk is allowed to rotate on a frictionless

63. ## Surface area of threaded hollow tube

I have a question for calculating the surface area of a threaded cylinder,there are ten about 19 little threads in one inch, the rod is about 6 inches, the outer diameter is about 0.6 in and the inner diameter is 0.02. Each thread is 0.014 thick if that

64. ## geometry

Find the volume of a barber's pole having the shape of a right circular cylinder of radius 5 in. and height 29 in. topped by a sphere of the same radius. Round to the nearest tenth, if necessary.

65. ## Electric Field between concentric cylinders

I wanted the electric field between concentric cylinders, and got anexpression using Gauss' Law that considers only charge enclosed. Thus, there was no influence due to the outer cylinder. But, if we consider the limiting case of the inner cylinder having

66. ## Geometry

15.) Find the volume of a barber's pole having the shape of a right circular cylinder of radius 5 in. and height 29 in. topped by a sphere of the same radius. Round to the nearest tenth, if necessary. A) 2276.5 in.3 B) 2799.8 in.3 C) 1046.7 in.3 D) 4553.0

67. ## physics

solid sphere,thin walled hollow sphere,solid cylinder from above the ground in the same mass and radius which object reach first the ground?

68. ## physics

The membrane that surrounds a certain type of living cell has a surface area of 4.9 x 10-9 m2 and a thickness of 1.2 x 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.5. (a) The potential on the

69. ## Physics

The membrane that surrounds a certain type of living cell has a surface area of 2.13 x 10-9 m2 and a thickness of 1.94 x 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 6.4. (a) If the potential on

70. ## physics

The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m2 and a thickness of 1.6 x 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.1. (a) The potential on the

71. ## physics

Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The

72. ## Physics

I don't know how to approach this question... Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric

73. ## maths

A hollow cylinder open at both ends is made of steel 2 cm thick. What will be the volume of steel used in making the cylinder, if the external diameter is 24 cm and the length of the cylinder is 55 cm.

74. ## Physics

Any dielectric material other than vacuum has a maximum electric field that can be produced in the dielectric material before it physically or chemically breaks down and begins to conduct. This maximum electric field is called dielectric strength. The

75. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

76. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

77. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

78. ## physics

Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first?

79. ## Engineering

A hollow cylinder with outer radius r_0 and inner radius r_i is loaded by a uniformly distributed load q across its length L. The beam is supported by a roller at its left end and a pin L/5 from its right end. What is the maximum bending moment in the

80. ## physics

Two capacitors, identical except for the dielectric material between their plates, are connected in parallel. One has a material with a material with a dielectric constant of 2, while the other has a material with a dielectric constant of 3. What is the

81. ## College Physics

A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50 cm and mass = 20 kg. After the 10 kg mass drops a distance of 1.4 m, what is the angular speed of the cylinder? What is the

82. ## College Physics

A 10 kg mass (initially at rest) is attached to a rope, which is wrapped about a thin-walled hollow cyclinder of diameter D = 50 cm and mass = 20 kg. After the 10 kg mass drops a distance of 1.4 m, what is the angular speed of the cylinder? What is the

83. ## math

The volume of each shape is 250 cubic inches. A) Find the height of a cylinder with a radius of 3 inches. 250/3^2/ 3.14 = height of cylinder? B)Find the radius of the sphere. Is it just 3 inches? C) Find the height of a cone with a radius of 3 inches. I

84. ## Algebra 1

A cylinder has a radius of 5 in. If the volme of the cylinder is 250p in.3, what is the height of the cylinder? [Hint: The volume of a cylinder is given by V = pr2h.]

85. ## Algebra 1

A cylinder has a radius of 5 in. If the volme of the cylinder is 250p in.3, what is the height of the cylinder? [Hint: The volume of a cylinder is given by V = pr2h.]

The concentric circles, or growth rings, represent the cross-section of a tree with a diameter of 16 centimeters. The width of the outer tree ring measures 2 centimeters. What is the area in square centimeters of the outer ring of the cross-section of the

87. ## Physics

Consider a human femur of length L = 469 mm. Model the bone as a hollow cylinder, with inner radius Ra = 4.17 mm and outer radius Rb = 12.51 mm. If a 74 kg person's weight is supported by one leg, calculate the stress on the femur; express as percentage of

88. ## science

two parallel plates are separated by a dielectric of thickness 2mm and a dielectric of constant 6.if the area of each plate is 40cm2 and p.d between them is 1.5kv,find the capacitance,the energy stored by the capacitor and the ratio of the capacitance if

89. ## Physics

What is the energy from a hollow cylinder of surface charge density sigma, radius R and charge q? Energy? DO you mean E, the electric field intensity? If you mean Energy, it is an odd question, but the answer is that it is the work it took to put the

90. ## Statics

You have a stainless steel hollow rod (E=193GPa,ν=0.29) that has an inner radius r of 1.2cm, a wall thickness t of 0.7mm, and a length L of 5cm. Calculate the critical loads, in kN, for local buckling and Euler bucking (Pcr,local and Pcr,Euler,

91. ## physics

A capacitor is rolled from two strips of aluminum separated by two strips of paraffin-coated paper. Each strip is 5.40cm wide. The foil is 7.00μm thick, and the paper is 50.0μm thick. What length, in cm, should the strips be if a capacitance of 24.0nF is

92. ## math 7 grd

you have to design a space station (model) that has a 120 cm3 volume, and it has to have the possible smallest surface area. it must contain 3 different shapes. (cone and sphere surface are was not covered, only their volume, so they are out....we can

93. ## Calculus

Find the radius, volume, and hieght of the right- circlar cylindar that can be inscribed in a right- circular cone with a radius of 6 inches and a hieght of 10 inches. There are an infinite number of solutions to this. Did you mean the right cylinder with

94. ## Physics

A certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of

95. ## Calc

cylindrical can is to be made from a rectangular piece of aluminum that is 25 inches long and 10inches high by rolling the metal horizontally. Determine the circumference of the cylinder, the radius of the cylinder, the height of the cylinder, and the

cylindrical can is to be made from a rectangular piece of aluminum that is 25 inches long and 10inches high by rolling the metal horizontally. Determine the circumference of the cylinder, the radius of the cylinder, the height of the cylinder, and the

2 cylinders are proportional the smaller cylinder has a radius of 4 centimeters, which is half as large as the radius of the larger cylinder. the volume of smaller cylinder =250 cubic cemtimeters. what is the volume of the larger cylinder?

98. ## Mathematicz (The Correct Question)

A pipe has an outer radius of 4 1/2 cm. If the metal is 1/4 cm thick, what is the inner diameter of the pipe? Please help me!!! You not you just subtract from the or the wall thickenss, then double it to get the id? Draw two concentric circles and see if

99. ## physics

A cylindrically shaped space station is rotating about the axis of the cylinder to create artificial gravity. The radius of the cylinder is 159 m. The moment of inertia of the station without people is 4.23 x 109 kg·m2. Suppose 299 people, with an average

100. ## Physics

A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0 m. The cylinder arrives at the bottom of the plane 2.7 s after the sphere. Determine the angle between the inclined plane and