Homework Answers
39. an object is in equilibrium then the net force (vector sum of all the forces) on the object is zero.
The magnitude of electrostatic force on charge particle in an electric field is given by the product of charge on the object and the electric field at that point.
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using IC from an g the sheet extends far vertically and into and out of the...
Question 6 In the figure a small nonconducting ball of mass m 0.98 g and charge...
Question 6 In the figure a small nonconducting ball of mass m 0.98 g and charge q = 2.8 10 C distribute uniformy through its volume na s rom an insulting read that makes an angle θ 390 with a vertical, uniformly charged nonconducting sheet (shown in cross section). Considering the gravitational force on the ball and assuming the sheet extends far vertically and into and out of the page, calculate the surface charge density σ of the sheet. m,...
In the figure a small, nonconducting ball of mass m = 1.1 mg and charge q...
In the figure a small, nonconducting ball of mass m =
1.1 mg and charge q = 1.8 × 10-8 C (distributed
uniformly through its volume) hangs from an insulating thread that
makes an angle θ = 45° with a vertical, uniformly charged
nonconducting sheet (shown in cross section). Considering the
gravitational force on the ball and assuming the sheet extends far
vertically and into and out of the page, calculate the surface
charge density σ of the sheet.
Can you check my work? This is a Gauss Law question. We have to find the...
Can you check my work? This is a Gauss Law question. We have to
find the electric field z away from the sheet and z > 0 and z
< 0.
My Work:
Is this correct? Thanks.
The Question:
EdA Qenclosed Eo We were unable to transcribe this imageenclosedTy We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imageAn infinite sheet of charge on the x-y plane carries a uniform surface...
15. Consider the reaction 2 NO2(g) N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and...
15. Consider the reaction 2 NO2(g)
N2O4(g) .
(a) Using Gf
N2O4(g) = 97.79 kJ/mol and Gf NO2(g)
= 51.3 kJ/mol, calculate G° at 298 K.
kJ
(b) Calculate G at 298 K if the partial pressures of
NO2 and N2O4 are 0.35 atm and 1.60
atm, respectively.
kJ
16. Consider the reaction given below.
H2(g) + F2(g)
2 HF(g)
(a) Using thermodynamic data from the course website, calculate
G° at 298 K.
kJ
(b) Calculate G at 298 K...
(a) A sphere with radius R rotates with constant angular velocity . A uniform charge distribution...
(a) A sphere with radius R rotates with constant angular velocity . A uniform charge distribution is fixed on the surface. The total charge is q. Calculate the current density in this scenario where . Show how the E-field is calculated using Gauss' Law and the direction (in spherical coordinates) of the current density. We were unable to transcribe this imageWe were unable to transcribe this image7 =
Consider a thin rope of mass m and length that hangs vertically from a fixed point...
Consider a thin rope of mass m and length that hangs vertically from a fixed point at the top. Let the position of the lower end be and the top be . Because the rope is massive the tension will vary as a function of y. Show that the wave speed for this rope is and the time required for a wave to travel the whole rope is . We were unable to transcribe this imagey=0 We were unable to...
A lighthouse that rises h1 = 48.3 ft above the surface of the water sits on...
A lighthouse that rises h1 = 48.3 ft above the surface of the
water sits on a rocky cliff that extends d = 21.0 ft from its base,
as shown in the figure below.
A sailor on the deck of a ship sights the top of the lighthouse
at an angle of =
29.6
above the horizontal. If the sailor's eye level is h2 =
12.0 ft above the water, how far is the ship from the rocks?
We were...
A double charged layer consisting of two parallel and ideal uniformly charged planes is given, as...
A double charged layer consisting of two parallel and ideal
uniformly charged planes is given, as shown in the figure. Let the
charge density per unit of surface of each floor equal to
C/.
where the upper floor is positively charged and the lower one
negatively charged.
Consider a particle of mass
kg and a charge q = 4.0
C hanging on an inextensible ideal wire of lenght l = 0.5 m in the
region between the two charged planes....
Find the electrical potential (in all space) produced by: d) A straight line with linear charge...
Find the electrical potential (in all space) produced by: d) A straight line with linear charge density. e) A volumetric density of charge, spherical and radius . f) A disk of radius that has a surface density of charge (on its axis). We were unable to transcribe this imageWe were unable to transcribe this image
The figure shows two nonconducting spherical shells fixed in place. Shell 1 has uniform surface charge...
The figure shows two nonconducting spherical shells fixed in
place. Shell 1 has uniform surface charge density +5.4 C/m2 on
its outer surface and radius 4.0 cm; shell 2 has uniform surface
charge density +3.0 C/m2 on
its outer surface and radius 2.4 cm; the shell centers are
separated by L = 11.7 cm. What is the x-component (with sign) of
the net electric field at x = 2.4 cm?
We were unable to transcribe this imageWe were unable to...
Question 6 In the figure a small nonconducting ball of mass m 0.98 g and charge q = 2.8 10 C distribute uniformy through its volume na s rom an insulting read that makes an angle θ 390 with a vertical, uniformly charged nonconducting sheet (shown in cross section). Considering the gravitational force on the ball and assuming the sheet extends far vertically and into and out of the page, calculate the surface charge density σ of the sheet. m,...
In the figure a small, nonconducting ball of mass m =
1.1 mg and charge q = 1.8 × 10-8 C (distributed
uniformly through its volume) hangs from an insulating thread that
makes an angle θ = 45° with a vertical, uniformly charged
nonconducting sheet (shown in cross section). Considering the
gravitational force on the ball and assuming the sheet extends far
vertically and into and out of the page, calculate the surface
charge density σ of the sheet.
Can you check my work? This is a Gauss Law question. We have to
find the electric field z away from the sheet and z > 0 and z
< 0.
My Work:
Is this correct? Thanks.
The Question:
EdA Qenclosed Eo We were unable to transcribe this imageenclosedTy We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable to transcribe this imageAn infinite sheet of charge on the x-y plane carries a uniform surface...
15. Consider the reaction 2 NO2(g)
N2O4(g) .
(a) Using Gf
N2O4(g) = 97.79 kJ/mol and Gf NO2(g)
= 51.3 kJ/mol, calculate G° at 298 K.
kJ
(b) Calculate G at 298 K if the partial pressures of
NO2 and N2O4 are 0.35 atm and 1.60
atm, respectively.
kJ
16. Consider the reaction given below.
H2(g) + F2(g)
2 HF(g)
(a) Using thermodynamic data from the course website, calculate
G° at 298 K.
kJ
(b) Calculate G at 298 K...
A double charged layer consisting of two parallel and ideal
uniformly charged planes is given, as shown in the figure. Let the
charge density per unit of surface of each floor equal to
C/.
where the upper floor is positively charged and the lower one
negatively charged.
Consider a particle of mass
kg and a charge q = 4.0
C hanging on an inextensible ideal wire of lenght l = 0.5 m in the
region between the two charged planes....
The figure shows two nonconducting spherical shells fixed in
place. Shell 1 has uniform surface charge density +5.4 C/m2 on
its outer surface and radius 4.0 cm; shell 2 has uniform surface
charge density +3.0 C/m2 on
its outer surface and radius 2.4 cm; the shell centers are
separated by L = 11.7 cm. What is the x-component (with sign) of
the net electric field at x = 2.4 cm?
We were unable to transcribe this imageWe were unable to...
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