A 9,300 mg. railroad car traveling at a velocity of 15/ms strikes a second boxcar at rest. If the two cars stick together and move off with a velocity of 6/ms what is the mass of the second car

Q: channel flow has a parabolic velocity distribution, which may be represented by the equation u(y) =…

A: Given Data :  velocity distribution uy=0.21-y2 m/s To Find :  acceleration of the fluid particle at…

Q: A ferris wheel is 37 meters in dimeter and boarded from a platform that is 3 meters above the…

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Q: Fill in the table only with given information. IF THE VARIABLE IS NOT GIVEN type in " ng" (no…

A: Given, Initial velocity at an angle θ =v0 v0x=v0cosθ v0y=v0sinθ This is a projectile motion At…

Q: Q3: A: Determine the Miller Indices and planes of the following: 1/2 2/a 1/3 1/2

A: This question can easily be solved by applying the basic concept of Miller Indices

Q: (a) Given [X, P] = ih. Find [H.X ], where H %3D 2m

A: X^,P^=ih H^=p22m TO DETERMINE: H^,X^.

Q: Calculate the following to the correct number of significant figures. Assume arbitrary units (u).…

A: Significant figures in the measured value of a physical quantity tell the number of digits in which…

Q: Consider the array of vectors in the figure below. +y +x K H 1. À + B + Č + D + Ē + F + Ĝ +Ĥ = Ï? A.…

A: Here, based on the array of vectors, shown in the figure, we have to answer (1) to (7). Let's see…

Q: Which of the following expressions has the smallest value. Write JUST THE LETTER. a. (-3)' b. (-30)°…

A: a)  -31 =  -3 × 1  =-3b)  (-30)0=   (-30-30)   =1c)  (-3)3 =-3 ×(-3 ×-3 )=-3 ×(9)=-27d) (-3)2  =…

Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…

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Q: find tthe speed of r(t) = 3ti + 2tj + 4tk

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Q: If ši = 12 V, I2 =1 A, R2 = 1 2, I3 = 2 A, and R3 = 3 2, find the power dissipated by resistor R1.

A: I2 = 1 A I3 = 2 A R2 = 1 Ω R3 = 3 Ω ξ1 = 12 V

Q: Suppose that again o = = 2 × 10-6 C/m², b = 0.01 m, and c = 0.04 m. Find the magnitude of Ēwasher at…

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Q: Derive the following equation. 2 np=n¡

A: Introduction: For extrinsic semiconductor the law of mass action states that the product of majority…

Q: Assuming the +x-axis is horizontal to the right for the vectors given in the following figure, use…

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Q: Calculate (x,1)= (x,t)(x,t) and sketch what this looks like for 1=0, th zh 3th , and ra 2(E₁-E₂)…

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Q: The barge of starch passes a light house. From the top of the light house 60 m high from sea level,…

A: Height of lighthouse h=60 m Angle of depression θ=15°

Q: Quebbiom'y batellite . A yer has minte OL mertic 10,000kgm² Ahmacd astronaud, ectends salar moment…

A: It is a question based on Conservation of Angular Momentum Initial  Momentum  =Final Momentum I1w1=…

Q: Lx = Wx Ixx + Wy Ixy tWz Zxz Hw

A: This problem is based on Angular momentum and inertia tensor of a rigid body Let at any instant of…

Q: (c) The solution to the equations above leads to A(r, y) = 1/cosh°(y) so that ds? (dr²+dy)/ cosh(y).…

A: The Hamiltonian equation of motion in terms of Lagrangian L can be written as H=∑pq˙-L Where p is…

Q: Thex Component of a Vctor is 5.0 M/S and The Vctor is dreeted eo° above kr Coordinale (Polir ange or…

A: X component of a vector is 5 m/s  Angle is 60°  Let magnitude of vector be A

Q: c) Identify the Miller indices of this plane: 2/3

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Q: Q. 5 Solve: (x+ 2y). = y. %3D dx

A: This is an example of linear homogeneous differential equation. Using integrating factor we can…

Q: TU D B А Given Â= 1.00 – 1, B= 2009. Ĉ= -3.00 D=-4.00 9. and R=A+B+C+D, Calculate R.

A:

Q: B. Use directional derivative method to find the derivative of the functio f(x, y,z) 3e' cosyz at…

A: Concept used: Directional derivative is rate of change of a function at a given point in particular…

Q: Let A=5i-6.5 and B=3.5i-7ĵ . If lies in the xy-plane, Cis perpendicular to À , and Č-B=15 , what is…

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Q: 4.- Calculate the scalar product of the vectors in the figure. 32.8 N 17.3 cm/s/ 118 132⁰

A: The scalar product of two vectors  and  is

Q: Given the function y =3xyz2î + 2xy³j-x2yzk Find the curl Vxu a. 3yz'i + 6xy2j - x²yk b. Зyz? + 6ху?-…

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Q: I have 3 angles which together form 90 degrees. What is the average degrees in an angle.

A: If you have three angles which together form 90 degrees, then each angle cannot be greater…

Q: 74!= "T'7- "TT=| L.L. =LL -LL, -HL,

A: To prove : [Lz,Lx] = LzLx - LxLz =i ħ Ly {Note : Instead of using cap, I have written the equations…

Q: A 5-µm long slab of p-type silicon of the type of Fig. 1.36b has been doped non-uniformly along the…

A: Given:length of the slab, l = 5 μmDoping profile, Na(x) = 10141 + 103e-x10-6  1/cm3

Q: 9. Given: D = 3x³yi-2x²y¹z6j+y³z²k Find: V.D.

A:

Q: B. Obtain the x and y components x- component 85 N 116° y- component

A: Given:Force,F=3.85 NAngle,θ=116°Find the force  x and y component.Now,A) The X-component…

Q: a A Srecew consutrg. Mond length l ruppat aunifolm beard mass fother and Mp and md 1espectvely, or…

A: Given data: The mass of board is M. Mass of father is mf. Mass of daughter is md.

Q: One morning, Connie walks from her house to go to a store that is 500 ft, S 40o W from her house.…

A: Let Connie's house be at the origin so first she walks A=120 ft (SW) then B=100 ft (10o South of…

Q: - + j9, 8)âz + (2, 5 + j9, 9)â, )e¯jörz, =-

A: Given: The average power is calculated as using the formula, Pavgi=Ei22η

Q: e. S A woman stands at a horizontal distance z from a mountain and measures the angle of elevation…

A: Given that:- In this question height of mountain top from ground is y.

Q: Make g the subject in Ep=mxgxh

A: Given equation : Ep = m × g × h to make g as subject:

Q: Additional Question: The figure shows two unequal charges +q and -Q. Charge-Q has greater magnitude…

A: Write the expression for the electric field due to the charge +q. E+q=kql2 Here, l is the distance…

Q: Compute for what is being asked in the problem. Round off final answers to TWO significant digits.…

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Q: 2. R3=200 10V Ry=300 Ry 500 R 200 Rtotal а. b. I1 = A c. I3 = 13= A

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Q: could you also do d e and f?

A: Given := mass 0.593 kg amplitude 26 cm  T=0.418s ω=15.02 rad/s

Q: y. IF A xB=0 Prove that: wnd A #0

A: