A metal sphere with radius 3.20 cm is suspended in a large metal box with interior walls that are maintained at 30.0°C. A small electric heater is embedded in the sphere. Heat energy must be supplied to the sphere at the rate of 0.660 J/s to maintain the sphere at a constant temperature of 41.0°C. (a) What is the emissivity of the metal sphere?
Q: The angular velocity vs. time for a fan on a hovercraft is shown below. Find the angle through which…
A:
Q: In the figure, the load at B is connected to a cable on the larger pulley. That pulley is controlled…
A:
Q: In the figure below: R1= 12 ohm, R2= 12 ohm, R3=3 ohm, and R4 = 6 ohm. E1 = 6 volts and E2 = 12…
A:
Q: (4) A cubical wooden block, with the side length of 1 m and a constant density of 750 kg/m³, is…
A: Given data, Side length of block l=1 m. Density ρ=750 kg/m3.
Q: Which of the following items are usually seen as reasons why reflecting telescopes are more commonly…
A: Reflecting telescopes have many advantages over refractive telescopes but some of them are a…
Q: sion of
A: Given: A=800 cm2=800×10-4m2α=18×10-6/Co Temperature changes from 23oC to 56oC
Q: The seures LCR cucuit has an inductance of 100m² a capacitor 01 ut fa resistance of 2002. Find…
A:
Q: 2. A 1 m³ container is filled with 0.30 m³ of granite, 0.12m³ of sand, 0.20m³ of water at 25 °C the…
A:
Q: S goes fro lume.
A: Given: Mole number if 1.2 mol Initial and final temperature will be 29o and 53o respectively
Q: The relocities of three molecules are 2 m/s. nelocity. 3m/s, 4 m/s resp. Find mean & root mean…
A: We need to compute-(i) Mean velocity (C¯)=?(ii) R.M.S. velocity C¯2=?The data given as-C1=2 m/sC2=3…
Q: A rectangular coil of effective area 0.1 m² is suspended freely in a radial magnetic field of…
A: We need to ompute-Angle of rotation of coil θ=?The data given as-Area (A)=0.1 m2Magnetic field…
Q: Select the correct answer from the following: Gamma particles have larger absorption range, than…
A: When it comes to Absorption range ,Beta ,Alpha and Gamma Particles has quite Different…
Q: Question 3: Circular motion of charge in B field An oxygen-16 ion with a mass of 2.66 × 10-26kg…
A:
Q: 1. Use the vectors drawn in the diagram below to complete the following exercises. D E Ĉ 4 16 α B Ф…
A: We can answer these questions by using the expression for dot product and cross product of two…
Q: M,R V bject contains more kinetic
A: Given: Ring and disk has same mass
Q: -component of the net force component of the net force
A: Given: Mass of standard body is 1 kg F1=(2.6 N)i+(3.8 N)j F2=(-2.4 N)i+(-6 N)j
Q: 4. With your height difference from number 3, you're ready to use the conservation of energy. Since…
A: We are given length of pendulum. We are also given the angle which it makes it top most point. We…
Q: A motor consumes 15 kJ in 0.854 minutes. Calculate its power.
A: Given: Energy(E) =15kJ=15000J Time(t)=0.854minutes=51.24sec To find: Power(P)
Q: (a) Calculate the zero-point energy of a harmonic oscillator consisting of a particle of mass 2.33 ×…
A: Concept: To determine the Zero point energy of a Harmonic oscillator we will use the Formula…
Q: a 1,500 kg car tires apply 3E3 N of force against the ground. what will be the car's acceleration
A: We are given mass of car. We are also given the force applied by tires against ground. We use…
Q: centripetal accelera of rotation and that
A: Given: Top of the test tube is 4.18 cm from axis of rotation Linear speed is 77.8 m/s
Q: 1.The odd parity eigenstates of the infinte square well , with potential V = 0 in the range −L/2 ≤ ?…
A: It is given that wavefunction of a particle in an infinite square well is, ψn(x,…
Q: Which of the following is true? I. For a wave propagating through water, the disturbance might be…
A: Required : True or False
Q: A force, P, is applied so that the two wheels contact each other. Each wheel spins at 300 rpm before…
A: We are given initial angular velocity of both wheels. We are given final angular velocity of one of…
Q: A student (m = 69 kg) falls freely from rest and strikes the ground. During the collision with the…
A:
Q: A proton moves through a uniform magnetic field given by B (15.07 -25.47+12.7k) mT. At time t₁, the…
A: We know that the magnetic force Fm= q(v×B) After putting all given values we get the following.
Q: I E V(x) Vo X=0 II Q/Solve the Schrödinger equation for regions x0 to calculate the reflection…
A:
Q: What will happen to the speed of the conductor when the conductor is shorted? E
A: Given that There is a straight conductor A force F applied on it. There is a magnetic field, B is…
Q: A transformer has 430 primary turns and 13 secondary turns. (a) If Vp is 120 V (rms), what is V,…
A: Concept: To determine the Secondary voltage, secondary current, and primary current we will use the…
Q: 1) Transform A = 2psin cosa +(pcos² p-psin² ) a + pcos² þa from cylindrical to Cartesian system.…
A: We will answer the question using the relations connecting coordinates and unit vectors of…
Q: View Policies Current Attempt in Progress Compute the yield strength of a steel specimen that has an…
A: We are given the grain diameter. We are also given the values of constants. The yield strength is…
Q: Calculate A) the conservative force described by the potential energy function U(x,y,z) = ½ k (2x³…
A: We have given a potential energy U(x,y,z)=1/2k(2x3+5y2-3z4) We know that a conservative force can we…
Q: Determine the concentration of the majority charge carriers
A:
Q: 2. A perpendicularly polarized wave impinges from medium 1 (μo, 4ɛ) to medium 2 (μo, 3ɛo). Medium 11…
A: Given, The medium 1, n1=μ0, 4ε0 The medium 2, n2=μ0, 3ε0 a. The critical angle, n1sinθc=n2sinθr For…
Q: The plane interface between two dielectrics is given by y+z=1 for source-free medium. On the side…
A:
Q: • Potential difference of the first battery ₁ = 71.0 V. • Potential difference of the second battery…
A: I_R1 = - 11.6 mA I_R2 = - 0.2 mA I_R3 = - 11.4mA
Q: A potential difference of 2V is applied across a silver wire with length 30m and diameter of 0.5mm.…
A: Given, Potential difference,V=2V Length, L=30m Diameter, d=0.5×10-3mr=0.25×10-3m Charge carrier…
Q: Problem 3: A proton in a cyclotron gains AK = 2eAV of kinetic energy per revolution, where AV is the…
A:
Q: A 1.2 kg block sliding on a horizontal frictionless surface is attached to a horizontal spring with…
A: We have to find the frequency of the block's motion. Given that, Mass of block, M=1.2 kg The spring…
Q: How much force is the air exerting on the front cover of a textbook if the textbook dimensions are…
A: Given data, Length of textbook L=28.3 cm = 0.283 m. Width of textbook W=21.9 cm =0.219 m. Pressure…
Q: blem 3: A proton in cyclotron gains AK = ₂еAV of kinetic energy per revolution, where AV is tr…
A: In a cyclotron, the objective is to find an expression for the radius of the proton, the power…
Q: Three capacitors are connected as shown, where C = 0.045 F. a 2C HH 3C HH 5C b Part (a) Input an…
A: Given: In this question, the given details are, Three capacitors are connected as, And the given…
Q: & A unifoum wise of length one meter + resistance. 22 is connected in series with a resistance of…
A: We need to compute-(i) Potential drop per mm=?(ii) Potential length required to balance the…
Q: Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in Chemistry) demonstrated…
A: Given that The energy of incoming helium nucleus are E = 7.34×10-13JBut we know E = 12mHevHe2where…
Q: A stationary circular wall clock has a face with a radius of 20 cm. Six turns of wire are wound…
A: We have given radius r = 20 cm = 20×10-2m = 0.2 m Number of turns N = 6 Current i = 1.5 A…
Q: An astronaut in orbit outside a capsule uses a re- volver to control motion. The astronaut with gear…
A: Given:mass of the astronaut, M = 200 lbmass of single bullet, m = 0.05 lbspeed of 1 bullet, v =…
Q: The escape velocity from the earth's surface is 11.2 km/s. If the mass of the Jupiter is 318 times…
A:
Q: When the rope is at an angle of a = 30° the 0.5-kg sphere A has a speed vo=1.2 m/s. The coefficient…
A:
Q: Given the radius distance (R) of a horizontal curve = 950.00' Delta (A) = 14°-00'-00" What is the…
A:
Q: 2. A wishing well has a bucket of mass M = 3 kg attached to a rope that is wound around a pipe with…
A: Solution: a). Let us calculate the angular acceleration of the pipe of radius 5cm using the…
Step by step
Solved in 2 steps