57. ssm A loudspeaker has a circular opening with a radius of 0.0950 m. The electrical power needed to operate the speaker is 25.0 W. The aver- age sound intensity at the opening is 17.5 W/m². What percentage of the electrical power is converted by the speaker into sound power?
Q: A cylindrical cistern, constructed below groundlevel, is 3.0 m in diameter and 2.0 m deep and is fil...
A: Given: The Depth of the cylindrical cistern below ground filled with water = 2 m. The Diameter of th...
Q: A 430HZ tuning fork is vibrating, producing a sound wave in the air. What is the wavelength of the s...
A: Given that, The frequency of the wave, f is 430Hz. The speed of sound in air, vs is equal to 343m/s...
Q: True/False When a positively-charged water droplet reaches the Rayleigh limit, positive ions wi...
A: The emission of an ion from a droplet occurs only when the electric field strength at the droplet su...
Q: please find the gravitational field and gravitational potential shown for a disk that has a nonunifr...
A: Given disc has mass M and radius R it has density σ=cr. to determine gravitational field let's consi...
Q: Po-204 (mass=204 amu) undergoes alpha decay. Show that, as a result of ejecting alpha particle (He-4...
A: Let m denotes the mass of Po-204 atom, m1 and m2 denote the alpha particle and daughter particle mas...
Q: Identify the form the energy that is converted into thermal energy by your body.
A: We know we take food. From where we get energy. The food that we eat get stored in the form of chemi...
Q: Find the complete solution of the following elementary applications.
A:
Q: (a) An immersion heater utilizing 120 V can raise the temperature of a 1.00 X 102-g aluminum cup con...
A: Given: (a) The Immersion heater utilizes 120 volt to raise the temperature of 1×102g aluminum cup co...
Q: 109. Monochromatic light passes through materials a, b, and c. Rank the materials according to index...
A: We have been given three different mediums a, b & c with corresponding refractive index μa, μb &...
Q: A truck with a mass of 1480 kg and moving with a speed of 17.0 m/s rear-ends a 732 kg car stopped at...
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...
Q: An orange block of mass 2.5 kg is on an inclined plane. There is no friction between the block and t...
A: Given: The mass of the block is 2.5 kg. The angle at which the plane is inclined is 17∘. The length ...
Q: 2. If the bond length of HF is 0.91 Å, and frequency is 1.241*1014 s-1 how would I find the total en...
A: Let us consider the HF molecule to be a quantum harmonic oscillator. H and F atoms vibrate about the...
Q: A young girl standing on a bridge throws a stone with an initial velocity of 12 m/s at a downward an...
A:
Q: A 1-kilogram mass is attached to a spring whose constant is 27 N/m, and the entire system is then su...
A: Given: m = 1 kg k = 27N/m B = 13
Q: 3) Find the total response of a single degree of freedom system with m 10kg, c 20 N- s/m, k = 4000 N...
A: Given: The values of the parameters are m=10 kg, c=20 Nsm, k=4000 Nm and x0=0.01 m. Introduction: Si...
Q: The current in a long solenoid of radius 3 cm is varied with time at a rate of 2 A/s. A circular loo...
A: Given: The radius of the solenoid is rs=3.0 cm. The rate of change of current in the solenoid is dI...
Q: 51. In Larry Niven's science-fiction novel Ringworld, a rigid ring of material rotates about a star ...
A: Given that:Tangential speed of the ring, v=1.25×106 m/sRadius, r=1.53×1011 mInward acceleration due ...
Q: Can you answer this problem?
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: A large, flat sheet carries a uniformly distributed electric current with current per unit width J. ...
A: (a) Use Maxwell’s third equation ∂E∂x=-∂B∂t=-∂∂t12μoJmaxsinkx-ωt=ω2μoJmaxcoskx-ωt
Q: Part B: Mass swinging in a horizontal circle Theory Here is a side view of the experiment, showing t...
A: (1) Given: The diagram is as follows: Introduction: The second law states that the acceleration of ...
Q: An electric heater transfers 9.60x10^5 J into a block of ice with a mass of 2.10kg and an initial te...
A: Given information: The amount of energy transferred by the electric heater, Q=9.60×105 J The mass of...
Q: Want
A: Using the Newtons law in x and y direction,
Q: a) Four infinitely long parallel wires carrying equal current / are arranged in such a way that when...
A: In the figure, the distance BP is given by Pythagoras theorem, Now the magnetic field from the infi...
Q: Two separate systems have vertical springs of negligible mass with identical spring constants. One s...
A: Equate the total mechanics energy of both the systems E1=E212k1A12=12k2A22
Q: A simple harmonic oscillator consists of a spring with a force constant of k = 59.5 N/m connected to...
A: ANSWER: GIVEN: Spring constant k=59.5 N/m block mass m=1.05kg Resistance ρ=0 speed v=1.95 m/s 16.5...
Q: An object is subjected to a friction force with magnitude 4.63 N. which acts against the object's ve...
A: (a) Work done to move an object from O to A along purple path and then return to O via purple path W...
Q: Work 1. Two men are moving a heavy metal box with a mass of 225 kg from an initial position to one t...
A: Given information: The mass of the metal box, m=225 kg The displacement of the box, d=8 m The force ...
Q: Stretching a spring farther before letting it bounce around will decrease the frequency of its oscil...
A:
Q: A spring with a spring constant of 180N/m is attached to a 1.5kg mass and then set in motion. a. Wha...
A:
Q: Blocks A and B are held on the palm of your outstretched hand as you lift them straight up atconstan...
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...
Q: Question in attachment .
A: Given that : Index of Refraction = 1.75 = sin(1.75)=0.98398594687 n = 1 Radius = 1.17 cm Heigh...
Q: A barrel contains a 0.160 m layer of oil floating on water that is 0.250 m deep. The density of the ...
A: Gauge pressure is the difference between absolute pressure at a point and atmospheric pressure. Acco...
Q: A) Your(660N) physics teacher skis down an incline of 12 degrees to the right. The coefficient of ki...
A: (A) Free-body diagram
Q: Two identically charged rods of length l have charge density ρ. One rod is placed so that one of its...
A: Answer B is correct.
Q: y (-5) cos(4x) What is the amplitude of the given function? What is the period of the given function...
A: Given function y = - 5 cos(4x) a)Therefore its amplitude is ymax=5unit b) we know that in one comple...
Q: An isolated charged parallel plate capacitor has a plate separation of d which is small compared to ...
A:
Q: Give a complete and long explanation of the industrial importance of the use of the magnetic field
A: The magnetic field is defined as the measure of the magnetic influence on moving charges, currents, ...
Q: A possible means of space flight is to place a perfectly reflecting aluminized sheet into orbit arou...
A: (a) Using radiation pressure P=2ScFA=2ScF=2ASc=26.90×105 m21370 W/m23×108 m/s=6.30 N
Q: 3. Two medal bars x and Y have the lengths of T0 cm and 30 cm.Both have supplied from one and of the...
A: In-order to calculate the thermal conductivity, Q= (T1-T2)tx X and Y = 70 cm and 30 cm X heats to 10...
Q: 1. True or False: If you only want to solve for the forces in just a few truss members and not for t...
A: 1) True. Method of joints will be very inefficient if we are to calculate forces few trusses.
Q: A particle is described by the following wavefunction Ψ1(x) =−b(x2−a2)2: 0≤ x ≤a Ψ2(x) = (x2−d2)−c:...
A: Wavefunction The wavefunction of a particle is a mathematical expression that encodes all the inform...
Q: A point starts at the location (3.5, 0) and moves counter-clockwise along a circular path with a rad...
A: Diagram
Q: Two parallel 60-N forces are applied to a lever as shown. Determine the moment of the couple formed ...
A: (a) The perpendicular distance between the two equal forces is as follows: d=360 mm×10-3m1 mmsin35° ...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps