D A В Point sources

Q: One 110 kg football lineman is running to the right at 2.75 m/s while another 125 kg lineman is runn...

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Q: y* V. A stone is thrown upward from the top of a building, 45m high, at an angle a=30° to the horizo...

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Q: The volleyball player serves the ball from point A with an initial velocity Vo at an angle 0 to the ...

A: Given, Initial velocity=V0 a.From the diagram,

Q: Q1 :- Calculate the ratio of spontaneous and stimulated emission light of wavelength ( 590 nm ) at r...

A: Given: The wavelength of the light is, The temperature is, Standard value: The Planck's constant,...

Q: A uniform ladder 8m long and weighing 350N restsagainst a smooth vertical wallat an angle of 30 ̊ to...

A: Let us consider the ladder is kept fixed about its top  A reaction force on the ladder due to the wa...

Q: Short answer

A: Given, AB=AD=80m

Q: A small piece of ice is given an initial velocity V0 in a horizontal direction on the frozen lake an...

A: In the 1st case, there is a frictional force acting which will retard the motion of the ice. 

Q: A plane electromagnetic wave travels in vacuum along the z-direction. What can you say about the dir...

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Q: Role of scattering amplitude in quantum scattering? Explain in detail

A: Quantum mechanical scattering: This is a process of scattering where a beam of particles having a ce...

Q: A 1500 kgkg steel beam is supported by the two ropes shown in (Figure 1). Calculate the tension in t...

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Q: A bomb is dropped from a balloon which is 392 m above the ground and ascending at 9.8 m/s. Draw the ...

A: Given Initial balloon height (h1) = 392 m Velocity (u)                        = 9.8 m/s  

Q: A(n) ________ is a representation of reality or a real-life situation.

A: By using modelling technique we covert any problems into the mathematical term for real-time or beha...

Q: Usethe method of Fourier transforms to solve the heat equation

A: Lets solve it using in the following steps: (The following steps are strictly mathematical. )

Q: Why do we need quantum mechanics? Briefly explain?

A: Quantum mechanics may be a fundamental theory in physics that gives an outline of the physical prope...

Q: The mass of the Earth is 5.97 × 1024 kg. Our moon has a mass of 7.35 × 10²22 kg and a radius of 1.74...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: 2) A wire carries a steady current I=0.75 A in Figure. The distances are a=0.5 m, b=0.9 m, and c=0.8...

A: The force acting on current-carrying wire placed in a magnetic field is given by; The direction of ...

Q: How many grams of radium can form by passing 235 C through an electrolytic cell containing a molten ...

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Q: Figure below shows the energy levels of a hydrogen atom. Which transition produces radiation of wave...

A: Lets first look at the corresponding energy regim of the give 436 nm wave length  E = hc/ 436 nm = 1...

Q: A) B) of

A: Given, Two opposite charges at some distace away

Q: i need the answer quickly

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Q: Can you help me to solve this question please?

A: Given , Length of the  wire, L=1.7 m Current, I=7.9 A When the wire is along x-axis, force acting is...

Q: A 5.85kg object is attached to two 5.0m-long cablesand swung around in a circle at 14.8m/s. See the ...

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Q: A 6.0-kg snowball is rolling at 1.5 m/s when it is at the top of a long, straight mountainside that ...

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Q: II. Short Response. Directions: Write a balanced nuclear equation for the alpha and beta decay of ea...

A: Finding out nuclear reactions, A) Alpha decay 1) 2) B) Beta decay 1) Strontium-92 2) Potassium-42  

Q: Point charges 5 nC and-2 nC are located at (2,0, 4) and (-3,0, 5), respectively. (a) Determine the f...

A: Given  

Q: How do I solve this net force/SohCahToa question and draw the diagram for it?

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Q: Describe what the moment of inertia measures.

A: The term "moment" in physics is used for describing physical quantities with respect to a reference ...

Q: Your research team analysis the light of a mysterious object in space. By using a spectrometer, you ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: A reservoir dam holds an 8-km2 lake behind it. Just behind the dam, the lake is 12.0 m deep. What is...

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Q: An infinite line charge is located in free space at z axis. The line charge density is 1 Nano Coulom...

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Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 2.30 cm and 1.00 x 103 tur...

A: The problem is based on the concept of mutual inductance. Mutual Inductance: The current through the...

Q: 3. There is a sphere (its radius is a) evenly distributed with electric charge (its charge density i...

A: Given: radius=a Chare density =ρ0    

Q: Two violinists, Abby and Bob, sit 4m and 9.2m away from an orchestra conductor, respectively. The tw...

A: Given: The distance Abby sit away from an orchestra conductor RA = 4 m The distance Bob sit away fro...

Q: Can you graph your Prism spectrometer experiment

A: The prism spectrometer is used to analyze spectra of different lights.  A prism will refract and sca...

Q: A thin metal disk with mass 2.00 * 10-3 kg and radius 2.20 cm is attached at its center to a long fi...

A: Let m be the mass of the disk and r be its radius When the disk is twisted and released, the disk s...

Q: what is Structure of solids : Fundamental Types of Lattices ? (Please explain the theories relevant ...

A: A solid is formed by the repetition of a three-dimensional structure called crystal lattice and thus...

Q: Assignment 3 Given: The constant 4, is called the permeability of free space Ho = 4n x 10-7I m/A 1. ...

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Q: If it takes 5.00 J of work to stretch a Hooke's-law spring 10.0 cm from its unstressed length, deter...

A: Here, we use the formula for work done to stretch a spring to get the required.

Q: You have two identical capacitors and an external potentialsource. Compare the total energy stored i...

A: Here we use the formula for the energy stored in the capacitor connections after getting their equiv...

Q: i need ans in 15 min

A: Given, when t=1s, displacement=10m

Q: Compare the solutions of 1-D and 3-D systems in Quantum mechanics?

A: By the Schroedinger equation in the spherical coordinates, to point out that the radial part of the ...

Q: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wa...

A: Given: To find the system of interest, free body diagram, acceleration as,     As per rule, allowed ...

Q: ACTIVITY: Answer the following problems: velocity (manin) 80 60 40 20 ome "(min) -20 10 20 30 I: Con...

A: The graph shows the variation of velocity (m/min) with time (min) Between the time interval of 0 to ...

Q: 5)A 5kg block rests on a rough surface (μs=0.5, μk=0.3 ). A 20 N force at an angle of 30o above the ...

A: According to concepts of friction, when a block is at rest and a force is applied on it then the blo...

Q: can u help me? tnx

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Q: An old lady, to maintain her health during morning walk, covers three displacements. The first has a...

A: Given: R1=200m R2=110m R=420m θ1=1100 θ2=360-110 =2500  

Q: Answer 4, 5 and 6

A: Given graph is :   4. The body is having decreasing velocity at interval 15 sec to 40 sec.  

Q: For a person with normal hearing, the faintest sound thatcan be heard at a frequency of 400 Hz has a...

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Q: How to read the recipe for prismatic glasses and what are the side effects of glasses and how they w...

A: Prism correction is employed in eyeglasses for a few people with diplopia, or diplopia. This is ofte...

Q: Small aircraft often have 24 V electrical systems rather thanthe 12 V systems in automobiles, even t...

A: The power requirements in both the applications is same. The power is given by: P=VI An aircraft tha...