Measured independently at the position of a receiver, two speakers are measured to have sound levels of 61.4 dB and 63.8 dB, respectively. When both speakers emit sound simultaneously, what sound level is detected?
Q: Example: Suppose a company has marginal cost y = C'(x) = x √9+ x² where x is number of thousands of…
A:
Q: The resistances R₁ = 152, R₂ = 2502, R3 = 10 ,, R4 = 52, R5 = 152, are connected as shown in the…
A: R1=15 ohmR2=25 ohmR3=10 ohmR4=5 ohmR5=15 ohmV=25 volt
Q: The crystalline lens of the human eye is a double-convex lens made of material having an index of…
A: n=1.44f=8.00 mm=0.8 cms=26 cmhi=12 cm
Q: Macmillan Learning A current of 31.3 mA flows in a silver wire of diameter 2.65 mm. The conductivity…
A:
Q: Use the trigonometric ratios and Pythagorean theorem to add the vectors given in the figure.…
A: Given that, The magnitude of vector A is A=96.6 The angle of vector A from the positive y-axis is…
Q: Prove that the function f = (sin kr)(sin my)(sin nz) where: k, m, n are constants is an…
A: Given that, The function, f = (sin kx)(sin my)(sin nz) Laplacian operater,∇ 2 =∂²/∂x² + ∂²/∂y² +…
Q: The supervising Engineer giving instructions produces an acoustic power of 0.001 W (spherical…
A: For Engineer's signal, P1=0.001 WDistance from microphone to signal, r1=2 mFor ventilation source,…
Q: 2. Show by integration of Planck's Law below that the Stefan Boltzmann constant is 5.67 x 10-8 Wm²…
A:
Q: A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the…
A: The Bernoulli's equation relates the pressure and speed of a fluid flowing through a horizontal tube…
Q: b An engineer is designing a product in which a copper wire will carry large amounts of electricity.…
A: Mass of copper = m = 66 gram Radius of copper = r = 0.08 cm Specific heat = c = 0.385 J g-1 oC-1…
Q: A 4.0 kg toy car can move along an x axis. The figure gives Fx of the force acting on the car, which…
A:
Q: 7-32 A 0.5-m³ rigid tank contains refrigerant-134a initially at 200 kPa and 40 percent quality. Heat…
A: Thus the entropy change in refrigerant is 3.875kJ/kg⋅K
Q: A 58 kg person is parachuting and experiencing a downward acceleration of 2.8 m/s2. The mass of the…
A: Newton's second law of motion: According to this law, the net force on an object is equal to mass…
Q: Problem 1: A positive charge of magnitude Q1 = 0.85 nC is located at the origin. A negative charge…
A: Electric field at a point is defined as the electric force exerted on a unit positive charge assumed…
Q: A curve of radius 110 m is banked at an angle of 12.2°. At what speed can it be negotiated under icy…
A:
Q: A massless, rigid board is placed across two bathroom scales that are separated by a distance of…
A:
Q: Three resistors with resistances R₁ = 35.0 S2, R₂ = 73.0 2, and R3 = 72.0 2 are placed along the…
A: Given: Resistance in three resistors of a triangle circuit are R1 = 45.0 ohm R2 = 73.0 ohm R3 =…
Q: Two banked curves have the same radius. Curve A is banked at 12.6%, and curve B is banked at an…
A:
Q: Problem 1 A block of mass m = 2 kg moves toward a spring of constant k. When it is at a distance L =…
A: Spring forceFs is given by:Fs=-kxwhere,k is spring constant andx is displacement in the spring
Q: Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an…
A:
Q: Figure (a) below shows an object hanging from a spring scale, with the scale measuring 5.35 N. In…
A:
Q: 1. Given an electric field E=RE sin(ay)cos(wt - kz) where EO, a, co, and k are constants, find H.
A:
Q: 2) Write the equation you may use to plot the dependence of skin depth on frequency for seawater (r…
A: Skin depth is the distance below a conductor's surface at which the current density is 1/ e of its…
Q: The device shown rotates about the fixed z-axis with angular velocity - 15 rad/s and angular…
A: Given : Numerical value of anular velocity and angular acceleration. Our task is to calculate the…
Q: Vision Correction Exercise Without corrective lenses, a surgeon can focus only on objects that lie…
A: Given that, Near point = 0.65m Far point =8.56 m. Distance of glasses from eye = 0.02 m
Q: spring 10 inches At t= 3 second the mass is released from a point 16 inches below the equlibrium…
A: Mass: m=4 pounds x=10 in=(10/12) ft At t=3 secx'=16 in =(4/3) ft Velocity of m: v=(5/4) ft/sec
Q: uppose we have to calculate the modulus of the magnetic field using biot-savart at the point a,…
A:
Q: The y = 0 plane separates air in the upper half-space (y > 0) from a good conductor (y ≤ 0) while a…
A: Given:for y > 0 medium is airfor y ≤ 0 medium is good conductorat y = 0 surface charge density,…
Q: Two different glasses - glass A and glass B - are separated by a planar boundary as shown in the…
A: According to this law, the light ray passing from medium 1 to medium 2 satisfies the following…
Q: A rectangular loop of wire hangs vertically as shown. A magnetic field B is directed horizontally,…
A: Magnetic force exerted on a straight wire: For a straight wire of length L carrying current I and…
Q: Two billiard balls of masses m,-0.45 kg and m2-0.50 kg are initially at rest. A cue gives the…
A: m1=0.45 kgm2=0.50 kgu1=0.30 m/su2=0 m/sθ=30°v2=0.20 m/sθ2=20°
Q: A small grinding wheel is attached to the shaft of an electric motor which has a rated speed of 3600…
A: Rotational Motion with uniform angular acceleration: The rotational motion with uniform angular…
Q: Charged particles traveling through a uniform magnetic field do not travel in a straight line…
A: By the right hand rule, if the direction of motion of the positive charge is downward, represented…
Q: A 85 kg man lying on a surface of negligible friction shoves a 82 g stone away from himself, giving…
A: We can use the principle of conservation of momentum to solve this problem. According to this…
Q: 1. One type of BB gun uses a spring-driven plunger to blow the BB from its barrel. (a) Calculate the…
A:
Q: 12 kg 25° m k= 315 N/m
A: Ma = 12kg.
Q: Determine the amount of energy required for the U-238 to dissociate completely into its consistent…
A: Mass of U-238: mU=238.05 u Mass of proton: mH=1.00727 u Mass of neutron: mN=1.00867 u
Q: The 7-kg sphere is projected horizontally with a velocity of 19 m/s against the 35-kg carriage which…
A: Here mass of the sphere m1=7 kg Velocity v1=19 m/s mass of the carriage m2=35 kg Velocity after…
Q: A car of mass 1.1 x 10³ kg is travelling in a direction 22° N of E. The eastward component of its…
A:
Q: Problem 3: A capacitor of 0.1 µF is charged from a 100-V battery through a series resistance of…
A: C= 0.1µF. R= 1000 ohm's. i) a=i b=ii c=iii d=iv
Q: A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the…
A:
Q: 3. Calculate the total charge within each of the indicated volumes: (a) 0.1 ≤ xl, lyl.lz) ≤ 0.2: Pv…
A: Part (a):: To calculate the charge of indicated volume. 0.1≤x,y,z≤0.2 part(b) To calculate the…
Q: A cylinder is rotating about an axis that passes through the center of each circular end piece. The…
A:
Q: 94. A light source moving away from an observer at a speed of 0.2c emits light with a wavelength of…
A: Relativistic Doppler effect is given by, λobs=λsource1+vc1-vcwhere,λobs is observed wavelength by…
Q: Consider the beam's cross-sectional area shown in ( Egure 1). Suppose that a=4 in..b-10 in., and c=1…
A:
Q: To till a child's inflatable wading pool, you use a garden hose with a diameter of 2.7 cm Water…
A:
Q: A 5.00-g bullet moving with an initial speed of v₁ = 450 m/s is fired into and passes through a…
A: Law of conservation of momentum: According to this law, the total momentum of an isolated system…
Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…
A: The Schematic diagram of the system is given below: Further, The Translational and rotational…
Q: presence magnetic field into the page, as shown. A 4-ohm resistor is connected into the circuit. 4Ω…
A:
Q: 7. A weight of 30 pounds stretches a spring 4 inches. The weight is removed and replaced by another…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images