A 19 g circular annulus of outer radius 45.5 cm and inner radius
29.5 cm makes small oscillations on an axle through its outer edge
perpendicular to its face.
(a) Find its frequency of oscillation.
(b) Find the frequency of oscillation of a thin ring of the same
outer radius and mass.
(c) Find the frequency of oscillation of a solid disc of the same
outer radius, thickness, and density.
Homework Answers
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A 19 g circular annulus of outer radius 45.5 cm and inner radius
29.5 cm makes...
A 14 g circular annulus of outer radius 40 cm and inner radius 27.6 cm makes...
A 14 g circular annulus of outer radius 40 cm and inner radius
27.6 cm makes small oscillations on an axle through its outer edge
perpendicular to its face.
(a) Find its frequency of oscillation.
(b) Find the frequency of oscillation of a thin ring of the same
outer radius and mass.
(c) Find the frequency of oscillation of a solid disc of the same
outer radius, thickness, and density.
2. + -16 points The Pendulum Ring A 14 g...
A 10 g circular annulus of outer radius 43.9 cm and inner radius 31.6 cm makes...
A 10 g circular annulus of outer radius 43.9 cm and inner radius 31.6 cm makes small oscillations on an axle through its outer edge perpendicular to its face. (a) Find its frequency of oscillation. (b) Find the frequency of oscillation of a thin ring of the same outer radius and mass. (c) Find the frequency of oscillation of a solid disc of the same outer radius, thickness, and density.
A 15 g circular annulus of outer radius 49.7 cm and inner radius 30 cm makes...
A 15 g circular annulus of outer radius 49.7 cm and inner radius 30 cm makes small oscillations on an axle through its outer edge perpendicular to its face. (a) Find its frequency of oscillation. (b) Find the frequency of oscillation of a thin ring of the same outer radius and mass. (c) Find the frequency of oscillation of a solid disc of the same outer radius, thickness, and density.
A 15 g circular annulus of outer radius 49.7 cm and inner radius 30 cm makes small oscillations o...
A 15 g circular annulus of outer radius 49.7 cm and inner radius 30 cm makes small oscillations on an axle through its outer edge perpendicular to its face. (a) Find its frequency of oscillation. (b) Find the frequency of oscillation of a thin ring of the same outer radius and mass. (c) Find the frequency of oscillation of a solid disc of the same outer radius, thickness, and density.
A thin disk with a circular hole at its center, called an annulus, has inner radius...
A thin disk with a circular hole at its center, called an
annulus, has inner radius R1 and outer radius R2. The disk has a
uniform positive surface charge density σ on its surface. (Figure
1)
A)The annulus lies in the yz-plane, with its center at
the origin. For an arbitrary point on the x-axis (the axis
of the annulus), find the magnitude of the electric field E⃗ .
Consider points above the annulus in the figure.
Express your answer...
1. (5 points) A semi-annulus with inner radius rı and outer radius r2 is placed on...
1. (5 points) A semi-annulus with inner radius rı and outer radius r2 is placed on the ry plane at z 0, with centre of the radii at the origin, sllustrated. The half-annulus has a uniform surface charge density ơ r 2 a) Find the potential V at the origin. b) Find E at the origin. (Can you use the result of a) to get E?)
A ring made from aluminum has an inner radius of 2.50000 cm and an outer radius...
A ring made from aluminum has an inner radius of 2.50000 cm and an outer radius of 3.50000 cm, giving the ring a thickness of 1.00000 cm. The thermal expansion coefficient of aluminum is 23.0 ⨯ 10-6/°C. If the temperature of the ring is increased from 20.0°C to 90.0°C, by how much does the thickness of the ring change?
The figure below shows a ring of outer radius R = 13.0 cm, inner radius r...
The figure below shows a ring of outer radius R = 13.0 cm, inner
radius r = 0.480R, and uniform surface charge density σ = 6.20
pC/m2. With V = 0 at infinity, find the electric potential at point
P on the central axis of the ring, at distance z = 3.20R from the
center of the ring.
V
The figure shows a hallow metal sphere with inner radius 2.10 cm and outer radius 13.1...
The figure shows a hallow metal sphere with inner radius 2.10 cm and outer radius 13.1 cm and a point charge at the center. The inner surface of the hollow sphere has a total charge of 8.70 nC and the outer surface has a total charge of-22-9 nc Calculate the value of the charge at the center of the metal sphere. Answer Calculate the magn tude electric field a distance 24.0 cm from the center of the sphere Answer: fthe...
A nonconducting spherical shell, with an inner radius of 3.2 cm and an outer radius of...
A nonconducting spherical shell, with an inner radius of 3.2 cm and an outer radius of 8.0 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ρ is the charge per unit volume, with the unit coulomb per cubic meter. For this shell ρ = b/r where r is the distance in meters from the center of the shell and b = 2.5 μC/m2. What is the net charge in the...
A 14 g circular annulus of outer radius 40 cm and inner radius
27.6 cm makes small oscillations on an axle through its outer edge
perpendicular to its face.
(a) Find its frequency of oscillation.
(b) Find the frequency of oscillation of a thin ring of the same
outer radius and mass.
(c) Find the frequency of oscillation of a solid disc of the same
outer radius, thickness, and density.
2. + -16 points The Pendulum Ring A 14 g...
A thin disk with a circular hole at its center, called an
annulus, has inner radius R1 and outer radius R2. The disk has a
uniform positive surface charge density σ on its surface. (Figure
1)
A)The annulus lies in the yz-plane, with its center at
the origin. For an arbitrary point on the x-axis (the axis
of the annulus), find the magnitude of the electric field E⃗ .
Consider points above the annulus in the figure.
Express your answer...
1. (5 points) A semi-annulus with inner radius rı and outer radius r2 is placed on the ry plane at z 0, with centre of the radii at the origin, sllustrated. The half-annulus has a uniform surface charge density ơ r 2 a) Find the potential V at the origin. b) Find E at the origin. (Can you use the result of a) to get E?)
The figure below shows a ring of outer radius R = 13.0 cm, inner
radius r = 0.480R, and uniform surface charge density σ = 6.20
pC/m2. With V = 0 at infinity, find the electric potential at point
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V
The figure shows a hallow metal sphere with inner radius 2.10 cm and outer radius 13.1 cm and a point charge at the center. The inner surface of the hollow sphere has a total charge of 8.70 nC and the outer surface has a total charge of-22-9 nc Calculate the value of the charge at the center of the metal sphere. Answer Calculate the magn tude electric field a distance 24.0 cm from the center of the sphere Answer: fthe...
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