A point charge is surrounded symmetrically by six identical charges at distance r as shown in the figure. How much work is done by the forces of electrostatic repulsion when the point charge q at the centre is removed at infinity (a) Zero (b) 6q 147,r (c) q²14Ægr (d) 12g²/4.75or J.com
Q: A sonometer wire is in unison with tuning fork. When its length increases by 4, it gives 8 beat/s wi...
A:
Q: 7.33 ** A bar of soap (mass m) is at rest on a frictionless rectangular plate that rests on a horizo...
A: Solution: The diagram for this situation, where the one end of the edge is moving with the angular v...
Q: The bulk modulus of a gas is 6 x 10° N/m?. The additional pressure needed to reduce the volume of th...
A: To find-Pressure required (dp)=?Given-Bulk modulus (K)=6×103 N/m2dvv=10=10100=110
Q: Determine the area moment of inertia of the T section shown, about its horizontal centroidal axis. 2...
A:
Q: A car tire contains 0.035 m³ of air at a gauge pressure of 2.91 × 10° N/m². The composition of air i...
A:
Q: Active waste from a nuclear power plant was stored in glass cylinders with radius R = 0.15m. The hea...
A: Solution: The thermal conductivity and the heat transfer are related to each other. The heat transfe...
Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. At what kinetic energy woul...
A:
Q: 4a. After reading the articles, what do you think overall about whether we should search for life on...
A: 4a. I think we should definitely search for life on other planets. We should also work towards findi...
Q: i) In three dimensions, show that f(x, y, z) = 1/r satisfies Laplace's equation. Show this first in ...
A: (i) The Laplace equation for a function u in cartesian coordinates is defined as : ∂2u∂x2+∂2u∂y2+∂2...
Q: -e -e +e -e
A:
Q: 10) Given is a very long solenoid with 950 wire turns/m. It has a diameter of 2.5 cm. Inside the sol...
A: The given data are turn per unit length of solenoid n=950 m-1Radius R=2.52=1.25cm The electric fiel...
Q: What is the difference in orbital velocity between Saturn's two coorbital satellites if the semimajo...
A: The semi-major axis of satellite-1 is given as, R1=151,400 km. The semi-major axis of satellite-2 is...
Q: Ten tuning forks are arranged in increasing order of frequency so that any two consecutive forks pro...
A: To find-Lowest frequency=?Highest frequency=?Given-Tuning forks are arrange in increasing order of f...
Q: Consider a particle in an infinite square well where the length is a and the initial wave function i...
A:
Q: Example 2 What is the image distance when a pencil is placed 29.7 cm from a diverging lens of focal ...
A:
Q: Light of wavelength 196 nm shines on a metal surface. 3.77 eV is required to eject an electron. What...
A:
Q: 4.1 * By writing a b in terms of components prove that the product rule for differentiation applies ...
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: 1. An airplane accelerates down a runway at 3.20 m/s? for 32.8 s until is finally lifts off the grou...
A: To find-Distance traveled beefore takeoff=?Given data-Initial speed of airplane (u)=0 m/sAcceleratio...
Q: A thin film of acetone (n = 1.25) coats a thick glass plate (n = 1.50). White light is incident norm...
A: The interference is between the reflected light from the acetone-air surface and acetone-glass surfa...
Q: If the wavelength of sound wave in a then the medium is reduced by 50%, percentage change in frequen...
A: To find-The percentage change in frequency=?Given-The wavelength of sound wave in a medium is reduce...
Q: 2. What are the directions of the Coriolis forces on a person moving a. south near the North Pole, b...
A: Solution: Coriolis force is the pseudo force experienced by the particle when it is moving with resp...
Q: A tungsten rod is 65 cm long and has a square cross-sectional area with sides of 1.0 mm. (a) What is...
A:
Q: A hunter is standing on flat ground between two vertical cliffs that are directly opposite one anoth...
A:
Q: A gas thermometer is used to measure the temperature of a boiling liquid. The thermometer is calibra...
A:
Q: With an increase in temperature, surface tension of a liquid (except molten cadmium and copper) (a) ...
A:
Q: In the queue at the bus stop, two students (with masses 80 and kg respectively) are standing a dista...
A:
Q: train runs at 59.22 mph. If a command to stop the train is being sent to the train operator, how far...
A: Given: The speed of the train is 59.22 mph. The brakes have a uniform rate of 1.7 ft/sec2....
Q: 2. A free particle of mass m with wave number k1 travels to the right. At x = 0, the potential jumps...
A: Given: The function of the potential is V(x) = V0 x > 00 x < 0 The energy of the part...
Q: Q2/ A voltmeter is used to measure a voltage of 6V. the following measurements are made: 5.9, 5.8, 6...
A: The precision of the third reading. Given, n=5 and readings are 5.9, 5.8, 6.1, 6.2, 5.7
Q: A uniform steel wire of length 3 m and area of cross section 2 mm² is extended through 3 mm. Calcula...
A:
Q: A particle has a piecewise function for its acceleration. The particle is said to be starting at res...
A:
Q: b) Neutral and charged pions decay in different ways: 7º → y + y and → µ +ūµ. Which of the pions do ...
A:
Q: The element nickel has a density of 9.05g/cm, taking a face-centered cubic structure. Calculate the ...
A: Given: Density of nickel element, Face-centered cubic structure, To find: Atomic weight of the nick...
Q: The cut-off potential for photoelectrons emitted by a surface hit by wavelength light of 4910 Angstr...
A: The cut off potential is the applied reverse potential such that the photocurrent is 0. From einstei...
Q: What is the escape velocity from the surface of Callisto if its mass is 1.1 x 1023 kg and its radius...
A:
Q: A 75.0KW, 230-V shunt generator has a generated emf of 243.5V. If the field current is 12.5A at rate...
A: Given that,Power : P = 75 (KW)Voltage : V = 230 (V)EMF : E = 243.5 (V)Field current : I = 12.5 (A)He...
Q: Which of the following two figures illustrate magnetic field lines? II A. I only В. П оnly C. Both I...
A: Figure I represents the magnetic field lines produced by bar magnet. Figure II represents the unifor...
Q: A ball is dropped down a well and 5 sec later the sound of the splash is heard. If the velocity of s...
A: Given: Velocity of sound, v=330 m/s Splash sound after time, t=5 s To find: Time taken by ball to re...
Q: What is the speed of sound in air that has a temperature of 315.3 K?
A:
Q: An object located 1.07 cm in front of a spherical mirror forms an image located 10.5 cm behind the m...
A:
Q: Calculate the output voltage of the op amp circuit given below, where vn = 2.2 V and v2 = 1.6 V. 10 ...
A:
Q: The mass of an electron is 9.109 38188 x 10-31kg. Find (a) y and (b) B for an electron with kinetic ...
A: Given: Mass of electron,me=9.10938188×10-31kgKinetic Energy,K.E.=64.3794MeV=64.3794×1.6×10-13JSpeed ...
Q: ât, a3: From Hlo): Eolo> Prove that En =(n+5) tio - . o> and at, %3D %3D
A: Solution: The Hamiltonian operator operates in the state 0 to get the energy eigenvalue E0
Q: In an adiabatic process oxygen gas in a container is compressed along a path that can be described b...
A: Using formula of work done and integrating with proper limits we can get the amount of work done
Q: NOTE: THE AMMETER IS IN FACT LIKE A WIRE IN THE CIRCUIT – HAS NO RESISTANCE AM1 SW1 R4 SW2 BAT1 9 V ...
A:
Q: Calculate the voltage ratio vo/vs for the op amp circuit given below, where R= 12 kN. Assume that th...
A: Given , R = 12 kilo ohm R = 12 x 103 ohm Given an inverting amplifier. Therefore, vo = - 25/R (vs) ...
Q: 5.00 mF (milliFarad) The capacitor Consider an LC circuit with inductance 20.0 mH and capacitance - ...
A: The problem is based upon the LC circuit, in the LC circuit capacitor is the active component that s...
Q: In most calculations, we use W mg. But we know that, for large changes in altitude, we need to use W...
A: Given: The radius of the earth is re =6400 km The acceleration due to gravity is g = 9.8 m/s2
Q: Consider a spatially varying magnetic field which, in the z = 0 plane, takes the form B1 for y 2 0 B...
A: The induced emf is equal to the rate of change of magnetic flux. Magnetic flux is equal to the amoun...
Q: Estimate the non-relativistic degeneracy pressure at the center of a 1.4 Msun neutron star (p=1.5x10...
A: The mass of the neutron star is given as, M=1.4MSun The mass of sun is given as, MSun=1.989×1030 kg....
Step by step
Solved in 2 steps with 1 images
