# Physics 102 Electricity and Magnetism

##### A uniformy charged sphere 5 cm in radius carries a charge of 8.0 nc a thick hollow conducting spherical shell of inner radius 10 cm and outer radius 12 cm having a charge of 4 nc is concentric with the sphere(a)calculate surface charge density on the inner and outer radius of the shell
A uniformy charged sphere 5 cm in radius carries a charge of 8.0 nc a thick hollow conducting spherical shell of inner radius 10 cm and outer radius 12 cm having a charge of 4 nc is concentric with the sphere(a)calculate surface charge density on the inner and outer radius of the shell...
##### Two (2) 115V incandescent lamps A and B are connected in series across a 230V source. If the lamp A is rated 75W and lamp B is rated 50w. Determine the current drawn by the series connection.
Two (2) 115V incandescent lamps A and B are connected in series across a 230V source. If the lamp A is rated 75W and lamp B is rated 50w. Determine the current drawn by the series connection....
##### Forthecircuitshown,thecapacitorisinitiallyuncharged.Thecircuitismadeupofthebatterywith? = 10 V, threeresistorsofR1 = 4 ?,R2 = 5 ? andR3 = 6 ?,andacapacitorC = 2 uF.Atthemomenttheswitchisclosed,findI1.Afterthecapacitorisfully charged, the switch is opened. Calculate the current passing through thecapacitor 1 msafter theswitchisopened.
For the circuit shown, the capacitor is initially uncharged. The circuit is made up of the battery with ? = 10 V, three resistors of R1 = 4 ?, R2 = 5 ? and R3 = 6 ?, and a capacitor C = 2 uF. At the moment the switch is closed, find I1. After the capacitor is fully charged, the switch is ...
##### Two objects A and B are initially at temperaturesTA=150K andTB=75K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q=1kJ is transferred between the two objects without significantly changing theirtemperature,a) What is the change of entropy of the hot object?
Two objects A and B are initially at temperatures T A = 150 K and T B = 75 K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q= 1 kJ is transferred between the two objects without signi...
##### Two objects A and B are initially at temperaturesTA=150K andTB=75K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q=1kJ is transferred between the two objects without significantly changing theirtemperature,a) What is the change of entropy of the hot object??Shot=J/KTherefore, the entropy of the hot object ---Select---b) What is the change of entropy of the cold object??Scold=J/KTherefore, the
Two objects A and B are initially at temperatures T A = 150 K and T B = 75 K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q= 1 kJ is transferred between the two objects without signi...
##### Two objects A and B are initially at temperaturesTA=150K andTB=75K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q=1kJ is transferred between the two objects without significantly changing theirtemperature,a) What is the change of entropy of the hot object??Shot=J/KTherefore, the entropy of the hot object ---Select---b) What is the change of entropy of the cold object??Scold=J/KTherefore, the
Two objects A and B are initially at temperatures T A = 150 K and T B = 75 K. As the two objects are brought into contact, energy in form of heat starts beingtransferred between the two objects. If over a short interval of time Q= 1 kJ is transferred between the two objects without signi...
##### (7) a dipole carring charges +q and -q separated by a distance d is rotated 180° in a uniform electric field. What is the change in electric potential energy associated with this rotation?
(7) a dipole carring charges +q and -q separated by a distance d is rotated 180° in a uniform electric field. What is the change in electric potential energy associated with this rotation?...
##### Point P is located a distance of 2 mm from two charges Q1 and Q2.Using Q1 = 1.7 ????C and Q2 = 6.8 ????C,a) Determine the magnitude of the net electric field at point P.|E| = N/Cb) Which of the following cases best describes the direction of the electric field?Case ---Select---c) Assume an electron is located at point P. Calculate the net electric force exerted by the charges Q1 and Q2 on the electron.|F| = Nd) Note: This question is not mandatory, but you'll earn 1 extra point if you solve
Point P is located a distance of 2 mm from two charges Q1 and Q2. Using Q1 = 1.7 ????C and Q2 = 6.8 ????C, a) Determine the magnitude of the net electric field at point P. |E| = N/C b) Which of the following cases best describes the direction of the electric field? Case ---Select--- c) Assume ...

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##### ~11 polnts LarApCalc10 3.4.009. 0/100 Submlsslons UsedMyrectangular solid with a square base has a volume of 3375 cubic Inches_ (Let x represent the length of the sides of the square base and let Y represent the height:) (a) Determine the dimensions that yield the minimum surface area_b) Find the minimum surface area_inzNeed Help?Read ItTalk to Tutor
~11 polnts LarApCalc10 3.4.009. 0/100 Submlsslons Used My rectangular solid with a square base has a volume of 3375 cubic Inches_ (Let x represent the length of the sides of the square base and let Y represent the height:) (a) Determine the dimensions that yield the minimum surface area_ b) Find the...
##### Linear Systetns5.10. Find the values of and 80 that the systcm2T1 3T2 513 7I1 312 2rz 21, 312 + Arahas no solution, solutions.unique Golution, andan infinite number of
Linear Systetns 5.10. Find the values of and 80 that the systcm 2T1 3T2 513 7I1 312 2rz 21, 312 + Ara has no solution, solutions. unique Golution, and an infinite number of...
##### -20 15 ~9 point) Let A = -36 28 -18 Find an invertible matrix P and a diagonal matrix D such that D = P-I AP. -18 15 ~I1P =D =
-20 15 ~9 point) Let A = -36 28 -18 Find an invertible matrix P and a diagonal matrix D such that D = P-I AP. -18 15 ~I1 P = D =...
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77. lim 00O Xi 3 %)" Dt n...
##### VYEEKU PRELAB Inheritance Spring 2020 Mailings Review ViewLayoutReferencesOFFAdd PenDraw with rackpadLabrador retriever hair color can be black or brown If the black hair trait (B allele) is dominant over the brown hair trait (b allele) _' A dog that is homozygous dominant for the hair color gene has the genotype BB Bb Lbb (choose one): The phenotype of this dog would be black hair brown hair (choose one):A dog that is homozygous recessive for the hair color gene has the genotype BB_ Bb Lbb
VYEEKU PRELAB Inheritance Spring 2020 Mailings Review View Layout References OFF Add Pen Draw with rackpad Labrador retriever hair color can be black or brown If the black hair trait (B allele) is dominant over the brown hair trait (b allele) _' A dog that is homozygous dominant for the hair co...
##### Soru /Evaluate the double integral over the given regionXdA R={lx,y}: 2s*28,3sy< 816508251100550ESpuan
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##### The Moon has an interesting relationship with the Earth, where the same face of the Moon is always facing towards the Earth: This is called tidal locking; where the time it takes for the Moon to rotate once is exactly equal to the time it takes for it to orbit the Earth. Given that the Moon performs 13.5 rotations per year , and that the Earth has a mass of 5.97 1024 kg; find the center to center distance between the Earth and the Moon_ You must show our work in order to obtain credit. The gravi
The Moon has an interesting relationship with the Earth, where the same face of the Moon is always facing towards the Earth: This is called tidal locking; where the time it takes for the Moon to rotate once is exactly equal to the time it takes for it to orbit the Earth. Given that the Moon performs...
##### How many derangements of ${1,2,3,4,5,6}$ end with the integers 1,2 , and 3 , in some order?
How many derangements of ${1,2,3,4,5,6}$ end with the integers 1,2 , and 3 , in some order?...
##### A $60-\mathrm{g}$ model rocket is fired vertically. The engine applies a thrust $\mathbf{P}$ which varies in magnitude as shown. Neglecting air resistance and the change in mass of the rocket, determine (a) the maximum speed of the rocket as it goes up, ( $b$ ) the time for the rocket to reach its maximum elevation.
A $60-\mathrm{g}$ model rocket is fired vertically. The engine applies a thrust $\mathbf{P}$ which varies in magnitude as shown. Neglecting air resistance and the change in mass of the rocket, determine (a) the maximum speed of the rocket as it goes up, ( $b$ ) the time for the rocket to reach its m...
##### Find and classify the critical points for the following functions.1. f(w,y) =I3 ~3c + y22. f(T,y) = ~4x2 + 4xy 2y2 + 161 12y 3. f(â‚¬,y) = cy + 2+y 4_ Only classify the critical point (â‚¬,Y,2) = (0,0,0) for f(w,y,2) = 3x2 + 4y2 + 22 9xyz .
Find and classify the critical points for the following functions. 1. f(w,y) =I3 ~3c + y2 2. f(T,y) = ~4x2 + 4xy 2y2 + 161 12y 3. f(â‚¬,y) = cy + 2+y 4_ Only classify the critical point (â‚¬,Y,2) = (0,0,0) for f(w,y,2) = 3x2 + 4y2 + 22 9xyz ....
##### 3 Reduce tbe ellonongcati cypermolic Baztian dif ferential equations +5 the canon Ji) and (76). 8ukx zuxy 34y4 Xuy Solution :
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##### Show that each statement is true by converting the given polar equation to a rectangular equation. Show that the graph of $r=a \sin \theta$ is a circle with center at $\left(0, \frac{a}{2}\right)$ and radius $\frac{a}{2}$
Show that each statement is true by converting the given polar equation to a rectangular equation. Show that the graph of $r=a \sin \theta$ is a circle with center at $\left(0, \frac{a}{2}\right)$ and radius $\frac{a}{2}$...
##### Problem (20 pts) The Steller : sca cow ( Hydrodamalis gigas) was sircnian dis- covcrcd in 1741. Lct us supposc that thc population y(t) of Stcller sca COW, in thc thousands unit_ in thc ycar 1741 naturally followed the logistic growth:Y(t) = 3y(t)(1 2(t)/5) _ Show that thc long term bchavior of any solution of the above diffcrential cqua- tion is 5.i.c. thc population of Stcller sea COw would convcrge to five thousandIn fact_ exccssivC hunting caused thc extinction of thc Stcller s sca COw in 17
Problem (20 pts) The Steller : sca cow ( Hydrodamalis gigas) was sircnian dis- covcrcd in 1741. Lct us supposc that thc population y(t) of Stcller sca COW, in thc thousands unit_ in thc ycar 1741 naturally followed the logistic growth: Y(t) = 3y(t)(1 2(t)/5) _ Show that thc long term bchavior of any...
##### 4. Block Y (with mass mY) sits on a horizontal table and isconnected by a string going over a pulley to block Z (with mass mZ)which is hanging off the edge of the table.A. Assume the blocks are not moving due to a frictional forcebetween Y and the table. Draw the free body diagram for bothblocks. Write Newtonâ€™s 2nd law equations for both blocks (verticaland horizontal).B. If there is no friction, Z will fall, and Y will slide towardthe pulley. Draw the free body diagrams for the moving blocks
4. Block Y (with mass mY) sits on a horizontal table and is connected by a string going over a pulley to block Z (with mass mZ) which is hanging off the edge of the table. A. Assume the blocks are not moving due to a frictional force between Y and the table. Draw the free body diagram for both block...
##### Anmpke of geeea nitreogen 35.69C , hcated with an ckctrical coiL If 239 Joules shat is te iitial temperalurc ofthe nitregen? o mar= addcd to & 148 gram sample and the final Icmocradun- Anska:subinil AnswtotPetry entint Otoupmoa group attempts remalning
Anmpke of geeea nitreogen 35.69C , hcated with an ckctrical coiL If 239 Joules shat is te iitial temperalurc ofthe nitregen? o mar= addcd to & 148 gram sample and the final Icmocradun- Anska: subinil Answtot Petry entint Otoup moa group attempts remalning...