## Question

###### Automotive Power Driving Uphill How much power must an automobile engine expend E t0 move 1200-kg car up 1590 grade at 90 kmh (Figure 7.15)? Assume that - 25%0 of this power is dissipated overcoming air resistance and friction: 90 km/h1200 kg15% gradeFlgure 7.15 We want t0 calculate tlie power needed to move cai Up hill at colstant speed:"Instead of 15% grade use 15 degree incline"

Automotive Power Driving Uphill How much power must an automobile engine expend E t0 move 1200-kg car up 1590 grade at 90 kmh (Figure 7.15)? Assume that - 25%0 of this power is dissipated overcoming air resistance and friction: 90 km/h 1200 kg 15% grade Flgure 7.15 We want t0 calculate tlie power needed to move cai Up hill at colstant speed: "Instead of 15% grade use 15 degree incline"

## Answers

#### Similar Solved Questions

5 answers

##### 3ah aSohting enfaalnclorin ~qoations &1 Ebor ReTetm c6d WU} and infval PJnnza { Joxrieranion]8'-ox 'P. Ororin Porrat rQont &alt) = <sint Cosi {sino,1cz%,4). {ons B5 OY4 {roJo %} (0,0,0} (0,2,D3.(0,2,0 /7`<0,0,0 /70 Find ths 1Orzil companent nccelcraticInc cur Flven by FW) #+2j+1k

3ah a Sohting enfaalnclorin ~qoations &1 Ebor ReTetm c6d WU} and infval PJnnza { Joxrieranion]8'-ox 'P. Ororin Porrat rQont & alt) = <sint Cosi {sino,1cz%,4). {ons B5 OY4 {roJo %} (0,0,0} (0,2,D3. (0,2,0 / 7`<0,0,0 / 70 Find ths 1Orzil companent nccelcratic Inc cur Flven by ...

5 answers

##### (3 pts) Draw the arrow pushing mechanism for the following product shown from the drawn starting material:H,SOa H,oOh

(3 pts) Draw the arrow pushing mechanism for the following product shown from the drawn starting material: H,SOa H,o Oh...

5 answers

##### How could vou use IR to determine the following reaction occurred?OHOHCI,OllOHOCh;Ijo{A) The peak at 1700 cm ' will disappear The [ peak at 3000 cm ! will disappear There will be new peak at 2200 cm : There will be new peak = at 3500 cm * The difference cannot be easily seen by IR

How could vou use IR to determine the following reaction occurred? OH OH CI,Oll OH OCh; Ijo {A) The peak at 1700 cm ' will disappear The [ peak at 3000 cm ! will disappear There will be new peak at 2200 cm : There will be new peak = at 3500 cm * The difference cannot be easily seen by IR...

4 answers

##### What volumc ol walcr would destroy all the Grignard reagent used in this exper- iment? of benzoic acid in I0 g and of methanol in 25 Calculale the number of millimoles mL- at what temperalure do you expect l0 During thc distillation of methyl benzoale collect thc product? 5. Cakculale the thcorclical yield for the formation of mcthyl benzoale and for the Grignard reaction rcaclion of triphenylmcthanol and HBr, and Whal producl would YOu expcct from why?

What volumc ol walcr would destroy all the Grignard reagent used in this exper- iment? of benzoic acid in I0 g and of methanol in 25 Calculale the number of millimoles mL- at what temperalure do you expect l0 During thc distillation of methyl benzoale collect thc product? 5. Cakculale the thcorclica...

5 answers

##### QuestIONWe would Ilke [0 construct & 9920 conidence interval forthe mcan hesedon of 50 observations The sample standard deviation i5 5.5 andthe sample mean I5 19. The population stundard devlation is 5.1, Cokculate the lower confidence llmit; Roundyour Hnsnereo decimals if necded;

QuestION We would Ilke [0 construct & 9920 conidence interval forthe mcan hesedon of 50 observations The sample standard deviation i5 5.5 andthe sample mean I5 19. The population stundard devlation is 5.1, Cokculate the lower confidence llmit; Roundyour Hnsnereo decimals if necded;...

5 answers

##### The energy required for the hypothetical reaction 2A + B = 2C + 2D is 197 kJ as written. How much heat is absorbed when 3.70 mol of A reacts? Express your answer to three significant figures and include the appropriate units. View Available Hint(s)ValueUnitsSubmit

The energy required for the hypothetical reaction 2A + B = 2C + 2D is 197 kJ as written. How much heat is absorbed when 3.70 mol of A reacts? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units Submit...

1 answers

##### Fix distinct prime and q 11. [6 points] and z = 1 (mod 9), then ff I Is An integer satisfying = = 1 (mod p) [3 points] Prove that that = = 1 (mod pa).

Fix distinct prime and q 11. [6 points] and z = 1 (mod 9), then ff I Is An integer satisfying = = 1 (mod p) [3 points] Prove that that = = 1 (mod pa)....

5 answers

##### Solar energy stored large bodies Of water; called solar ponds_ being used generate electficily- such _ sqan poner plant has elficiency perceni and net power output 0f 1S0 kW, delermine the average value 0f tne required sola energy collection Brurh:The average= yaluethe requlred solar eneigy collection rote*107 Biwh;

Solar energy stored large bodies Of water; called solar ponds_ being used generate electficily- such _ sqan poner plant has elficiency perceni and net power output 0f 1S0 kW, delermine the average value 0f tne required sola energy collection Brurh: The average= yalue the requlred solar eneigy collec...

1 answers

##### A solution contains two volatile liquids $A$ and $B$. Complete the following table, in which the symbol $\longleftrightarrow$ indicates attractive intermolecular forces. A negative deviation means the vapor pressure of the solution is less than that expected from Raoult's law. The opposite holds for a positive deviation.

A solution contains two volatile liquids $A$ and $B$. Complete the following table, in which the symbol $\longleftrightarrow$ indicates attractive intermolecular forces. A negative deviation means the vapor pressure of the solution is less than that expected from Raoult's law. The opposite hold...

2 answers

##### Problem 3: (30 pointsl(a) Find the symmetric matrix â‚¬ of the quadratic form:Q =XCXwhere Q = 3xi - 2x1 *z2 + Sx1 *3 6x3 + Sx}Then showthatXCX = XAX A is the matrix obtained from Eq: (1) (b) Find the eigenvalues and the eigenvectors of the following matrix A = L-2Then Diagonalize this matrix using the Transform matrix Az = T-1AT the matrix whose columns are the eigenvectors of Awhere T is

Problem 3: (30 pointsl (a) Find the symmetric matrix â‚¬ of the quadratic form: Q =XCX where Q = 3xi - 2x1 *z2 + Sx1 *3 6x3 + Sx} Then showthat XCX = XAX A is the matrix obtained from Eq: (1) (b) Find the eigenvalues and the eigenvectors of the following matrix A = L-2 Then Diagonalize this matr...

5 answers

##### Write the balanced nuclear equation for the production of the following transuranium elements:(a) berkelium-244, made by the reaction of Am-241 and He-4(b) fermium-254, made by the reaction of Pu-239 with a large number of neutrons(c) lawrencium-257, made by the reaction of Cf-250 and B-11(d) dubnium-260, made by the reaction of Cf-249 and N-15

Write the balanced nuclear equation for the production of the following transuranium elements: (a) berkelium-244, made by the reaction of Am-241 and He-4 (b) fermium-254, made by the reaction of Pu-239 with a large number of neutrons (c) lawrencium-257, made by the reaction of Cf-250 and B-11 (d) du...

5 answers

##### 2.17 A layer ol oil ol unknown refraclive index is floaling on LOp of a layer of carbon disullide (n 1.63) T4 ray ol lighi forms incidence angle ol 60 with the oil what is the angle ol relraetion alier hits the carbon disullide?CS;

2.17 A layer ol oil ol unknown refraclive index is floaling on LOp of a layer of carbon disullide (n 1.63) T4 ray ol lighi forms incidence angle ol 60 with the oil what is the angle ol relraetion alier hits the carbon disullide? CS;...

1 answers

##### Prove that the given equations are identities. $$\frac{\sin 2 \theta}{\sin \theta}-\frac{\cos 2 \theta}{\cos \theta}=\sec \theta$$

Prove that the given equations are identities. $$\frac{\sin 2 \theta}{\sin \theta}-\frac{\cos 2 \theta}{\cos \theta}=\sec \theta$$...

5 answers

##### 1. Suppose u(z,t) is a solution to the diffusion equation 0n the real line O0 < I < 0, with the initial condition u(z,0) o(x) . Suppose f_ lokz)ldz 00Smoothing property of diffusion equation_ Explain why the solution formula for u(z,t) makes sense even ifthe function @(x) is not everywhere differentiable Or continuous (for example could be a discontinuous *step function'). Explain why derivatives of u(z,t) exist when t > 0, even if is discontinuous. You can assume you re allowed t

1. Suppose u(z,t) is a solution to the diffusion equation 0n the real line O0 < I < 0, with the initial condition u(z,0) o(x) . Suppose f_ lokz)ldz 00 Smoothing property of diffusion equation_ Explain why the solution formula for u(z,t) makes sense even ifthe function @(x) is not everywhere di...

5 answers

##### Fer a pefect gas bchavion , PV = nRT: (a) Derive dc ideal gas equaton pV = nRT ftom the empirical gas Izeva {ey 4p 47P (b) Prove that; [5 dv dT dv Two moles ofatcal gas CH at 10O K is compressed isotherally and reversibly frotn initial vohue of 10 dr' to final volume of 5 dm'. Given that the gas obeys te equation of state:an- P + V2Tnb) nRTGiven that a = 2.283 LZbar mol-2 and b=0.04278 L mol-!Calculate the work done on the system[1O]Page 9 of 14Question 2075 which exoatd freelv into

Fer a pefect gas bchavion , PV = nRT: (a) Derive dc ideal gas equaton pV = nRT ftom the empirical gas Izeva {ey 4p 47P (b) Prove that; [5 dv dT dv Two moles ofatcal gas CH at 10O K is compressed isotherally and reversibly frotn initial vohue of 10 dr' to final volume of 5 dm'. Given that ...

5 answers

##### AconounccSho madn totbont Ghot 'StelmcourEn mada b4ota (Sumeldy YoUt anedec |

Acon ouncc Sho madn totbont Ghot 'Stelmcour En mada b4ota (Sumeldy YoUt anedec |...

5 answers

##### WQustionsi the similarities between rho-dependent _ and 3 ~independent termination of transcription?

WQustionsi the similarities between rho-dependent _ and 3 ~independent termination of transcription?...

4 answers

##### 2. Find the volume of the solid region below the given surface region R defined by the given inequalities: f(x,y) for (x,Y)ind: 9) 2 = e' cosy, 0 <x < 1, 0 <y<=/2 b) 2=re-I-y, 0s*s1,02y22 C) z = x2y, 0 =x = 1, x+liyx+2 d) z = Vx2 5 y2 , t2 ~y2 2 0, 0 <x < 1

2. Find the volume of the solid region below the given surface region R defined by the given inequalities: f(x,y) for (x,Y)ind: 9) 2 = e' cosy, 0 <x < 1, 0 <y<=/2 b) 2=re-I-y, 0s*s1,02y22 C) z = x2y, 0 =x = 1, x+liyx+2 d) z = Vx2 5 y2 , t2 ~y2 2 0, 0 <x < 1...

5 answers

##### Question 2 (1 point) Find the eigenfunctions yn (1) for n > 1,of the eigenfunction problem ~y" = Ay, y(0) = 0, y (7) = 0.(2n = l)w Yn (x) = sin 14Yn (x) = sin 1") The eigenfunction problem has no solutionsyn (x) = cos (Tz)(2n 1)t yn (1) = cos 14Yn (c) = sin (Tz) None of the options displayed_nT Yn (1) = cos 14* _

Question 2 (1 point) Find the eigenfunctions yn (1) for n > 1,of the eigenfunction problem ~y" = Ay, y(0) = 0, y (7) = 0. (2n = l)w Yn (x) = sin 14 Yn (x) = sin 1") The eigenfunction problem has no solutions yn (x) = cos (Tz) (2n 1)t yn (1) = cos 14 Yn (c) = sin (Tz) None of the optio...