The intensity of the emitted radiation by a star is at a maximum at a wavelength of 78.9 nm. a) Calculate the surface temperature of the star. b) Calculate the ratio of the intensity radiated at 65.0 nm to the maximum intensity. Assume that the star radiates like an ideal blackbody.
Q: Calculate L for the coil if the induced emf is measured to be 2 V for a coil with blood tune when…
A: Given data, EMF is given as, E = 2 V. Current is changes from 0 to 5 A. Change in current di = 5-0…
Q: Locate the centroid of the plane area shown if h = 5.00 in. AT 10 in. Vertex hi X: 9.6 Y 2.7…
A: Solution:-Given thath=5 in
Q: Find the magnetic moment of Chlorine whose ground state is given by 2p 3/2"
A:
Q: Explain – based solely on thermodynamic considerations – why the energy density of a photon cavity…
A:
Q: Q3: determine shear stress (t) for each 16-mm diameter bolt. 40 kN 40 KN 30 mm 80 kN 30 mm
A:
Q: C₁ d₁ L/2 L/2 B C₂ d₂
A: Capacitor is charged for us. We discover the capacitor's potential. Then, we discover field, leading…
Q: A beam of electrons is sent horizontally down the axis of a tube to strike a fluorescent screen at…
A: Let us consider that the electrons are moving along +y- axis and the magnetic field is directed…
Q: Which of the following components of the momentum of each of the balls is conserved?
A: In a collision between 2 balls, the total momentum of the system is conserved. Here the total…
Q: Please answer it within 30 minutes.I will upvote! Problem: Using Wien formula, find the energy…
A: Given Data: Wavelength λ=450 nm. Temperature T=750K . a=0.015 and b′=750. To Find: The energy…
Q: Two protons and an electron are fixed on the corners of a rectangle, as shown. One proton is at (0…
A: We are given 2 protons at some positions. We are also given the electron at some distance from…
Q: A disc is placed on a surface of pond which has refractive index 5/3. A source of light is placed 4…
A: Given that: A pond has refractive index, μ=53 A source of light is placed 4 m below the surface of…
Q: 1. Using COMPONENTS method, DETERMINE the magnitude and direction of vector B if the resultant (R)…
A: We are given various vectors. We are given their resultant. We first write resultant in component…
Q: 26. A cylindrical conductor with radius R carries a current i. The current is uniformly distributed…
A: Given data: Let us consider the given data, Radius of the cylindrical conductor=R Current of the…
Q: How much charge would the battery have to supply to store 1.50 J of energy in the capacitor? Q=?…
A: Given: Storage of energy is 1.5 J
Q: 6. At the instant shown, the man is twirling a hose over his head with an angular velocity = 2 rad/s…
A: We are given angular velocity and angular acceleration of pipe. We are also given that water is…
Q: Problem 4: An AC power supply is connected to a capacitor of capacitance 5.5 µF. At time t=0 the…
A: We are given voltage across the capacitor. We are also given the angular frequency. We first find…
Q: What is the escape speed of an electron launched from the surface of a 1.5-cm-diameter glass sphere…
A: Given: Diameter of glass sphere is 1.5 cm Charge is 10 nC
Q: 2. Temperature dependence of resistance in the Drude model We consider copper, which has a density…
A:
Q: A pyramid with 6m square base and height of 4m placed in a vertical electric field of 100N/C. The…
A: Given: Base of square pyramid is 6 m Height is 4 m Electric field is 100 N/C
Q: A bicycle wheel starts to accelerate from , = 44rad/s. If the wheel goes through 311 revolutions in…
A:
Q: A yacht is driven by a motorboat across a river which is 2000 meters wide. The velocity of the yacht…
A:
Q: A particle of mass m is thrown vertically with an initial velocity Vo.. If the force of friction due…
A: Solution: Given that a particle of mass m is thrown vertically upward with initial velocity v0. The…
Q: In a ballistics test, a 21.0 g bullet traveling horizontally at 1300 m/s goes through a 30.0 cm…
A: Given: Mass of bullet is 21 g or 0.021 kg Initial velocity of bullet is 1300 m/s Target's thickness…
Q: Two spherical drops of mercury each have a charge of 0.13 nC and a potential of 300 V at the…
A: Given: The given details are, Two spherical drops of mercury each have a charge of 0.13 nC and a…
Q: Question: Number of atom per unit cell in B.C.C. (a) 9 (b) 4 (c) 2 (d) 1
A: In body centered cubic (B.C.C) lattice there are eight atoms at the corner of the cube and one at…
Q: A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless string…
A: Given: A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a massless…
Q: 1. You are holding a steel ball in your hand that you throw up into the air. Using position,…
A: We are given that we are holding a steel ball. This ball is thrown up in air. Hence the ball is…
Q: 2. A 35-g bullet moving at 450 m/s strikes a 2.5-kg wooden block that is at rest. The bullet passes…
A: Given a bullet of mass m=35 g=0.035 kg moving at a speed ub=450 m/s strikes a wooden block of mass…
Q: Determine the magnitude and direction of the resultant force R of the two forces shown below, where…
A:
Q: RE-12. Equilibrium Solve for all forces Show ALL work W=10N BAKERY -5m- -5m-
A: Solution:-Given thatW=10 N
Q: A capacitor of unknown capacitance has been charged to a potential difference of 150 V and then…
A: Given: Potential difference is 150 V Uncharged capacitor is 10 μF Potential difference across…
Q: An atom of hydrogen is exposed to a monochromatic electromagnetic wave, which, within the dipole…
A:
Q: Q5) Bandwidth: An LED circuit has an optical 3 dB bandwidth of 551.33 MHz. Calculate the modulation…
A: Given: Here are the given data, Optical 3 dB bandwidth=551.33 MHz To find: The modulation frequency.
Q: A wheel of radius R-1.0 m is spinning about a fixed axis at a cons is the angular speed o of the…
A: Given data, Radius R = 1 m, Angular speed ω=10 rev/sec.
Q: 3. INSTRUCTIONS: - Show the 'free body diagrams' completely. - Show all equations obtained from the…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: F1 has a magnitude of 20 N and is directed 600600 above the horizontal. What is the x-component of…
A: We are given magnitude of force. We are also given the angle made with the horizontal. We take…
Q: A particle describes a trajectory r=a(1+cos ☺) under the action of a central force. find said force
A: The required solution is shown is
Q: The two charges in the figure below are separated by d = 2.50 cm. (Let g₁ = -19.5 nC and q₂ = 30.0…
A: Given: In this question, the given details are, The given figure is, The two charges are separated…
Q: Quadruple, four identical children with identical mass, attempting to see-saw with their father as…
A:
Q: 2.1 How many decades does the frequency span of 30 Hz to 15 000 Hz represents? (decades)
A: Given : Lower frequency limit, f1 = 30 Hz Upper-frequency limit, f2= 15000 Hz
Q: Problem 11. (Cyclic Process) Two moles of an ideal gas is taken through the cyclic process A B C D A…
A: Given, Close clockwise cyclic process, A→B→C→D, A. For the AB process, the gas is expanding from A…
Q: 14 A certain observable in quantum mechanics has a 3 x 3 matrix representation as follows: 1 0 101 0…
A:
Q: In laser-tissue interaction, scattering will: * Increase the performance of laser beam during…
A:
Q: (Further analysis of the nonlinear pendulum) Consider the nonlinear pendulum equation: d²0 dt² In…
A: Total energy of pendulum, E=L2(dθdt)2+g(1−cosθ)When the pendulum is vertically downward and is at…
Q: What is the gauge pressure at a location 15.0 m below the surface of the sea? (The density of…
A: Given : h depth, density of seawater Our task is to calculate the gauge pressure. As we know that…
Q: 10. If Q is Hermitian, then: A. (B|Q a) = Q(Bla) B. Q=00 C. Q = Q-¹1 D. (BQ a) = (0 Bla)
A:
Q: A point charge of q = -2.0 µC travels from point X to point Y in an electric field, crossing a…
A: Given: Point charge q=−2.0 μC Potential rise ∆V=200 V
Q: Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the…
A: Solution:-Given that
Q: (a) A series RLC circuit is shown in the figure below. (170 V) sin 120 t 5.0 Ω A Series RLC Circuit.…
A: Given, The equation of voltage source, Vs=170Vsin120πt Resistance, R=5Ω Inductor, L=25mHL=25×10-3H…
Q: Assume a person's mass is 69.0 kg and each of her shoes has an area of 200 cm². What is the…
A: The force applied on each shoe is F=mg2 =(69×9.8)2 =338.1 N Each shoe has an area, A=200…
Step by step
Solved in 2 steps