Suppose a star has the same luminosity as our Sun (3.8x1026watts3.8x1026watts) but is located at a distance of 10 light-years. What is its apparent brightness?

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Q: U.34 A thyristor-contro!led inductor will work as a variable inductor OR as fixed inductor,…

A: When firing angle is between 0o and 90o ,thyristor inductor will work as variable inductor and load…

Q: bird flies straight northwest a distance of 83.0 km for 7.0 hr. ssume the positive z-axis is due…

A: Average speed = distance /time

Q: Question : 3 Two displacement vectors Ā and B are shown in figure. Find: (a) Magnitude and direction…

A: This problem has many parts so we will solve first 3 parts for you. If you want the solution for…

Q: Consider a plasma of electrons between two grounded plates. If the density of electrons is 2€0 n3D…

A: Since both the plates are grounded. This means that the potential at both the plates is zero,…

Q: Problem 1: A uniform line of charge with total charge Q runs along the y-axis from -t/2 to +l/2.…

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Q: Two masses m1 = 12 kg and m2 = 6 kg are con %3D by a light string that passes over a frictionless

A: Givenm1=12 kgm2=6 kgg=10 m/s2

Q: Determine the coefficient of linear expansion if the length of metal change from 10- 10.02 m and the…

A: 1. Given Length of metal change = 10 - 10.02 m Temperature                   = 30 - 80 K

Q: Problem 3: (a) Explain the physical significance of linear absorption coefficient and mass…

A: a) Physical significance of linear absorption coefficient can be stated as follows: It is a fraction…

Q: 1-A particle moves along the x axis. Its position varies with time according to the expression…

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Q: iving system include a dish se temperature of 37 K and with equivalent noise tem input of the l…

A: a) The formula is given as, Te =TeA +TeLNA hLNA

Q: 7). Find the relationship between the flow function and wind c in natural coordinates.

A: It is known that a flow in which the fluid moves in a consistent way and furthermore there are no…

Q: A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center (the figure…

A: Given information: The radius of the Ferris wheel (r) = 14.0 m The linear speed of the passengers…

Q: 2. Lagrangian of a system is L =mx -k* versus x g.raph is (a) straight line (b) circle (e)ellipse…

A: L=12mx.2-12kx2The Lagrangian equation of motionddt∂L∂x.…

Q: Q1: (12 Mark) Multiple choice questions (circle the correct answer) 1-Young's modulus is the…

A: Basic concept of physics.

Q: Is a photon absorbed by atoms when its energy is less than the energy difference between orbits?

A: Given: energy of photon is less than the energy difference between the orbits To find: Is that…

Q: A bullet of mass m and speed v shot through a ball of mass M. After collision, the bullet travels at…

A: Given:-              The speed value of the bullet v  is:                                     4Mmgl

Q: Q2/ infinite line along Z- axis with line charge 5 c/m find thai capacitance between r= 2cm and r4cm…

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Q: instantaneous yーV a = At

A: Refer attachment

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Q: 13 A particle is moving in a straight line with constant acceleration. The points A, B and C lie on…

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Q: The basic equation describing the diffusion of one medium through another stationary medium is…

A: If the diffusion flux j does not change with time, then it is called steady state diffusion.

Q: Q2/ Its mass division(1.6689* 10-27Kg) is moving fast and its length vector is accompanied by it…

A: Given that, Mass = Wavelength =

Q: Question: A Particle In Three Dimensions Has The Following Wave Function: 4(X, Y, Z) = N(X + Y +…

A: Given: The wavefunction of the particle in three dimensions is

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Q: 1.) 100.0 ml of 4°C water is heated until it reaches 37 C. Assume that the density of liquid water…

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Q: For the circuit below, find the following: a. the equivalent resistance of the circuit b. the…

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