Using the conservation of energy and momentum, show that a free electron in rest cannot undergo photoelectric effect, that is, it cannot absorb a photon. What if the free electron moves?

Q: For A= 1 + 2ĵ-K, B = -21 + 2ĵ+ 4k, and C = 23 - 2k, find C. (A - B). Be careful when subtracting…

A: Given data:  Three vectors  A = i + 2j - k B = -2i + 2j + 4k C = 2j - 2k

Q: Q. 23 Solve : (D3 - 5D² + 8D-4) y = e2x. %3D

A: Given Solve : D3-5D2+8D-4 y = e2x, as following below.

Q: Solve the following differential equation in series dy (1 + 4y = 0 dx? dx

A: Question from Mathematical physics. Series solutions of second order differential equation. Please…

Q: 2- A capacitor has rectangular plates of length a and width b. The top plate is tilted at a small…

A: The ability of a component or circuit to gather and retain energy in the form of an electrical…

Q: F1 = 10 kN, F2 = 10 kN and F3 = 13 kN. Determine Ay. 12

A: The problem can be solved by drawing FBD and using summation of forces principle

Q: Which of the vectors is the result of P+ Q?

A: Required : Direction of the resultant vector.

Q: 3. Babe Ruth, a baseball player, hits a "major league pop-up" so that the height of the ba feet, is…

A: (c) Given: The expression of height is ht=-120x2+6.5. Introduction: The variable x in the expression…

Q: Q3: Given that z= 5+i 12, find Vz.

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Q: C no sir

A: potential difference =V =IR

Q: Find the vector sum of the following vectors using Analytical method and  polygon method. 1. 100 N,…

A: 1.  Draw the vector. Vector sum Analytically: S=1002+302+2×100×30×cos45°=15142.64=123.05 Polygon…

Q: We will construct a vector C that is equal to the difference of two vectors. First, move A and B so…

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Q: 1. A circular loop has radius R and carries current 12 in a clockwise direction. The center of the…

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Q: 2. Many people have the mistaken impression that current is used up around a circuit. In a series…

A: Actually the current doesn't changes  Current remains constant as the current passes through the…

Q: darz (x)+ k²b(æ)=0

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Q: B. Find the components of the following vectors. 1. 2. 3. C-18 m A-15 m B-20 m 30 124

A: Introduction: Here, the horizontal components of the vector along the horizontal axis lie along the…

Q: (b) List the steps to solve nodal analysis problem. ii) Using nodal analysis find the voltages…

A: Solution of both part of question b solved in below step with proper explaination.

Q: Prove that: D2 D t1 E2

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Q: Use the following half-life graph to answer the question: Mass Remaining (mg) 60.0 50.0 40.0 30.0…

A: Solution:-

Q: Can someone do d and e

A: Solution: d). Let the upper half side of the length is replaced by the negative Q/2 charge and the…

Q: A How long is the "x" component of vector A X a. 3 b. 1 C. 4 d. 5

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Q: An object started to slide down from rest along an inclined surface with a net acceleration of 6.6…

A: According  to the Newton's laws of motion , the final velocity v and the displacement s are…

Q: e half time of flight.

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Q: =D> u), and length d. Between the inner and outer conductors is a dielectric medium with a…

A: The electric field can be calculated using Gauss's law: ∮E.dA = Q∈ To calculate voltage from the E:V…

Q: Hi thank you for that solution. In an exam would I be given those formulas or do I need to know them…

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Q: R1=82 +, BV R3=62 R2=32 Figure Q1(b)(ii)

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Q: Determine the (f_y) of Hypotenuse aright triangle when (F=100 lb, X=3, Y=4) .A 79lb .B 80lb .C 80 .D…

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Q: 5. Find u₁ and u₂ displacement. U₁ K₁ k₂ F U2

A: Notice the spring combination on top. Note that the spring k1 has a extension u1 and the spring k2…

Q: Express the force as a Cartesian vector. F=650N X 45° 60⁰ For item 3

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Q: A drone is flying north at 80 m/s. It makes a gradual turn maintaining a constant speed. 20 s later…

A: Given that: The initial direction of speed is along the North. vi=0 i +80 j m/s The final direction…

Q: A particle is launched from point A with a horizontal speed u and subsequently passes through a…

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Q: 1. Find the resultant force of F1 and F2? 2. Determine the direction of the resultant force? 3. Find…

A: Recall Fnet=F1+F2  =vector sum of F1 and F2F1→ =F1(u^1)F2→=F2(u^2)

Q: LO 7: Using the symmetry of the arrangement, determine the direction of the force on q in the figure…

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Q: Can someone solve d, e, f, and g

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Q: Suppose that A = 2i + j. B=i- 4j + k, and = j+k. What is the magnitude of the vector

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Q: 1. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour? А. 3.6 В.…

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Q: Express the vector in terms of components i and j.

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Q: d(x) _ (P) ? Q1: Proof that: dt m

A: The Schrodinger equation for a particle moving in a real potential V(x,t) reads, H^ψ=-h22m∂2…

Q: 9. What is the x-component vector of the vector shown in Figure 2? a. 12.0i m b. -12.01 m c. 10.4i m…

A: Given Magnitude of vector is |v|= 12.0 m The x component of vector is   vx=vcos30o     =(12.0…

Q: Problem 2: The ball is kicked from point A with the initial velocity va = 10m/s at 35° from the…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

Q: A ball dropped from a height of 30 cm, takes 0.6067 s to reach the ground. What is the acceleration…

A: Write the given values of this problem. h=30 cm or 0.3 mt=0.6067

Q: part g

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Q: Step 2. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of…

A: For which type of the electromagnetic radiation is the atmosphere of the Earth totally opaque.