## Question

###### The quantity of chargeq (Coulomb) pas sing through a surface of area 3 cm , changing with time as q = 4t3 + St + 6 (t is in units of seconds) . Find the current density at t = 2 s a) ] = 8,50x 10+ A/m? b) ]J = 1,77X 105 A/m? c) ] = 2,83X 105 A/m? d) J = 3,94X 105 A/mz e) ] = 5,08X 105 A/m?

The quantity of chargeq (Coulomb) pas sing through a surface of area 3 cm , changing with time as q = 4t3 + St + 6 (t is in units of seconds) . Find the current density at t = 2 s a) ] = 8,50x 10+ A/m? b) ]J = 1,77X 105 A/m? c) ] = 2,83X 105 A/m? d) J = 3,94X 105 A/mz e) ] = 5,08X 105 A/m?

## Answers

#### Similar Solved Questions

5 answers

##### 7. Xi+ Xz = | Frxx a/4 Peas$ 8wares 30 2 Xi +2x2 = 4 S0e Koms 444 show {e6 Dm 4 keve

7. Xi+ Xz = | Frxx a/4 Peas$ 8wares 30 2 Xi +2x2 = 4 S0e Koms 444 show {e6 Dm 4 keve...

5 answers

##### Two microwave frequencies are authorized for use in microwave ovens: 875 and 2575 MHz_ Calculate the wavelength of each_ (a) cm (frequency 875 MHz)(b)cm (frequency2575 MHz)

Two microwave frequencies are authorized for use in microwave ovens: 875 and 2575 MHz_ Calculate the wavelength of each_ (a) cm (frequency 875 MHz) (b) cm (frequency 2575 MHz)...

5 answers

##### Find the solution of the IVP (y+r)dr +xdy = 0, y(1) = 1

Find the solution of the IVP (y+r)dr +xdy = 0, y(1) = 1...

5 answers

##### Given the following vectors { [8] = = [8] Which set is linearly independent set?reddout 019 questionSelect one: {8,2,7}0 {7 ,w,u}0 {6,w}{u,w}{6,7}rrevious page:

Given the following vectors { [8] = = [8] Which set is linearly independent set? red dout 01 9 question Select one: {8,2,7} 0 {7 ,w,u} 0 {6,w} {u,w} {6,7} rrevious page:...

5 answers

##### 133scientist is trying t0 discover information about an unknown mctal compound The formula for Ilc compound is believed t0 be XBrz where X is the unknown metal. The scientist determined that a 4.716 = sample of this compound contains mol Br. Calculate the atomic mass of the unknown Tictal. 5.305 X 10atomic Masssyubol of the element: metal? Provide the nume What IS the identity ol themetal:

133 scientist is trying t0 discover information about an unknown mctal compound The formula for Ilc compound is believed t0 be XBrz where X is the unknown metal. The scientist determined that a 4.716 = sample of this compound contains mol Br. Calculate the atomic mass of the unknown Tictal. 5.305 X...

5 answers

##### Choose tne correct corclusion below:Because this probability is not small, reject the null hypothesis. There sufficient evidence conclude that the dart-picking stralegy resulted in majorty of winners. Because this probability small , reject the null hypolhesis. There sufficient evidence t0 conclude that the dart-picking strategy resulted majority of winners . Because this probability small, do not reject the null hypothesis. There not sufficient eviderce conclude tnat the dart-picking strategy r

Choose tne correct corclusion below: Because this probability is not small, reject the null hypothesis. There sufficient evidence conclude that the dart-picking stralegy resulted in majorty of winners. Because this probability small , reject the null hypolhesis. There sufficient evidence t0 conclude...

5 answers

##### In a mass spectrometer; a singly charged ion having a particular velocity is selected by using a magnetic field of 0.12 T perpendicular to an electric field of (8.0Ox10^2) VIm A magnetic field of this same magnitude is then used to deflect the ion, which moves in a circular path with a radius of (1.800x10^-2) m What is the mass of the ion?Single charge is 1.6 10-19 C. Note: Your answer is assumed to be reduced to the highest power possibleYour Answer:x1O Answerunits

In a mass spectrometer; a singly charged ion having a particular velocity is selected by using a magnetic field of 0.12 T perpendicular to an electric field of (8.0Ox10^2) VIm A magnetic field of this same magnitude is then used to deflect the ion, which moves in a circular path with a radius of (1....

5 answers

##### Point) Find a basis of the subspace of R4 that consists of all vectors perpendicular to bothand2 6Basis:

point) Find a basis of the subspace of R4 that consists of all vectors perpendicular to both and 2 6 Basis:...

5 answers

##### Miej with $ 80 gol Oxygen 988 lemperature An emphyJlas< 305k Une Dicssuio Fnearmund L2 7 35 ZIm Calcuiot0 Ihe votume (In Liters) ol Lhe flask:Inc Ialak18,58 g Or Iron (III) carbonate Plucad Into ? 1,50 sealed fa5k and hcated [0 673 K The compound Decompcses according Ihe bulanced chemical equation bolo , lormting carbon dioxide 1043 Wnat te CO; g35 pressuto mnhg) Ine Aaek atthe end Gtnereaclont (mfe(cou; Jmon Fex(cosba: Fe-Oj [email protected]

Miej with $ 80 gol Oxygen 988 lemperature An emphyJlas< 305k Une Dicssuio Fnearmund L2 7 35 ZIm Calcuiot0 Ihe votume (In Liters) ol Lhe flask: Inc Ialak 18,58 g Or Iron (III) carbonate Plucad Into ? 1,50 sealed fa5k and hcated [0 673 K The compound Decompcses according Ihe bulanced chemical equa...

5 answers

##### Find all zeros of the polynomial function or solve the given polynomial equation. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first zero or the first root.$$f(x)=x^{4}-4 x^{3}-x^{2}+14 x+10$$

Find all zeros of the polynomial function or solve the given polynomial equation. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first zero or the first root. $$f(x)=x^{4}-4 x^{3}...

1 answers

##### Establish each identity. $$\frac{\cos \theta-\cos (5 \theta)}{\sin \theta+\sin (5 \theta)}=\tan (2 \theta)$$

establish each identity. $$\frac{\cos \theta-\cos (5 \theta)}{\sin \theta+\sin (5 \theta)}=\tan (2 \theta)$$...

3 answers

##### Cttt Rpaain lau p 4ut< Cux. Idltart14 ran-{urtener Irainurbant Iry t0 @4puiothtoutone cLot tnhtelinacln Fols FEETE EE ~DAGaeDgtETe+0 JonEede_ Pae Waet Mr albr tt netatret Gub7"utz Etnovr-dhufenz ormdcr trnan?n(etettup# LAVPE4eU Eeumler prdiyleeleoem Urer [cnean1t 9*0u< Uaela [UereoonemJm Dtlibet% Lg T-dtalete 46te[5neg Ioan DatiennDnz Ut rtton slmc Leaeanil ubrpozn ut!b7 etee trt tchten to the n% &0 urblttaud h ezout { [7 *or It teltn RaordCOEEdtojnieKhiutont3t62 "adttotiee

Cttt Rpaain lau p 4ut< Cux. Idltart14 ran-{urtener Irainurbant Iry t0 @4puiothtoutone cLot tnhtelin acln Fols FEETE EE ~DAGaeDgtETe+0 Jon Eede_ Pae Waet Mr albr tt netatret Gub7"utz Etnovr-dhufenz ormdcr trnan?n(etettup# LAVPE4eU Eeumler prdiyleeleoem Urer [cnean1t 9*0u< Uaela [Uereoonem...

5 answers

##### Ihe function given by i(x) =X+3 for * $2, continuous atx = 2? Why . why not? 3x - for x > 2, Choose the correct answer below:The given function continuous atx== because lim I(x) does not exist, The given function not continuous at x = 2 bocauso does not exist The given function not continuous at x = because Iim f(x) does not exist. The given function conunuous a X = Decause limit is

Ihe function given by i(x) = X+3 for * $2, continuous atx = 2? Why . why not? 3x - for x > 2, Choose the correct answer below: The given function continuous atx== because lim I(x) does not exist, The given function not continuous at x = 2 bocauso does not exist The given function not continuous a...

5 answers

##### Magnesium nitrate and sodium carbonate Formula equation; M(oo Cact Ma ; COgcac) Ng COg CsJ+ ? Nanol Total lonic Eq:g Las ) Rn l4) + Ra txLt Coscad) 3 (sCo3ks) + Aq Zno Net Ionic Eq:_ kac) Cod ) Nc ( OaUs)

Magnesium nitrate and sodium carbonate Formula equation; M(oo Cact Ma ; COgcac) Ng COg CsJ+ ? Nanol Total lonic Eq:g Las ) Rn l4) + Ra txLt Coscad) 3 (sCo3ks) + Aq Zno Net Ionic Eq:_ kac) Cod ) Nc ( OaUs)...

5 answers

##### Question 120/ 1ptsTo find the domain of a square root function; set the expression under the radical equal to zero and solve for the variable This will be your domain:Answer 1:equa

Question 12 0/ 1pts To find the domain of a square root function; set the expression under the radical equal to zero and solve for the variable This will be your domain: Answer 1: equa...

5 answers

##### What are the n, l, ml values possible for an electron in thefirst and third orbital?

What are the n, l, ml values possible for an electron in the first and third orbital?...

5 answers

##### Mean weight of 76 ounces: Assume the population You measure 28 turtles' weights and find they have on this, construct 953 confidence interval for the true standard deviation is 13.6 ounces Based population mean turtle weight: Give your answers as decimals, to two places ounces

mean weight of 76 ounces: Assume the population You measure 28 turtles' weights and find they have on this, construct 953 confidence interval for the true standard deviation is 13.6 ounces Based population mean turtle weight: Give your answers as decimals, to two places ounces...

2 answers

##### Consider the function f(z) defined on R such that f(x) = f(r + 6) and x 10, -3 < r < 0, f(x) = 8, x = 0, c2 + 4, 0 < x < 3. Let S(r) be the Fourier series of f(z) . What is S(9)?S(9)13X0%

Consider the function f(z) defined on R such that f(x) = f(r + 6) and x 10, -3 < r < 0, f(x) = 8, x = 0, c2 + 4, 0 < x < 3. Let S(r) be the Fourier series of f(z) . What is S(9)? S(9) 13 X0%...

5 answers

##### What current is drawn from the household circuit by a 1000 Whairdryer? What is the resistance of the hairdryer? (Analytical answer isnecessary!)

What current is drawn from the household circuit by a 1000 W hairdryer? What is the resistance of the hairdryer? (Analytical answer is necessary!)...

5 answers

##### Note. For this assignment, there are places where you should draw a picture. You can draw pictures by hand, scan, and upload them as a 'pdf file, Or YOu can draw them with software such as YEd or GeoGebra, and then print as Apdf . and upload the * _ pdf _ file.Drawing pictures is a bit cumbersome on the computer; SO You may submit a solution to those questions by listing all the pairs in the relation; if you prefer_The written solutions can be in Jupyter notebook or * md file. Question 1. F

Note. For this assignment, there are places where you should draw a picture. You can draw pictures by hand, scan, and upload them as a 'pdf file, Or YOu can draw them with software such as YEd or GeoGebra, and then print as Apdf . and upload the * _ pdf _ file. Drawing pictures is a bit cumbers...