When one person shouts at a football game, the sound intensity level at the center of the field is 68.5 dB. When all the people shout together, the intensity level increases to 104 dB. Assuming that each person generates the same sound intensity at the center of the field, how many people are at the game? Number i Units
Q: B. Identify six action-reaction pairs (ARPS) in the situation illustrated below, where the tank is p...
A:
Q: The acceleration of a particle as it moves along a straight line is given by a = (2t - 1) m/s, where...
A: You have given the conditions at t= 6s. Since, the velocity and position is already given at t = 6s....
Q: 1. An airplane accelerates down a runway at 3.20 m/s? for 32.8 s until is finally lifts off the grou...
A: To find-Distance traveled beefore takeoff=?Given data-Initial speed of airplane (u)=0 m/sAcceleratio...
Q: train runs at 59.22 mph. If a command to stop the train is being sent to the train operator, how far...
A: Given: The speed of the train is 59.22 mph. The brakes have a uniform rate of 1.7 ft/sec2....
Q: spring clamped to the table shoots Block 1 (110 g, wood) directly into Block 2 (80 g, steel), this p...
A:
Q: Please expound on the process of getting
A: ψ(x,t) = Ax2+a2e-iEtℏ We have to find expectation value of x2
Q: A 2.0-kg aluminum block is originally at 10 degree Celcius. If 36 kJ of energy are added to the bloc...
A: Given that,The mass of the aluminium block : m = 2 (kg)The temperature : T = 10°CThe energy applied ...
Q: (a) What is the ratio of the resitance of part 2, R2, to the resistance of part 1, R1? In other word...
A: The resistance of a wire of length L and area of cross section A is given by R=ρLA where ρ is the r...
Q: A bar slides to the right at a constant speed of 2.1 m/s on two frictionless rails. The resistance o...
A: Speed of the bar v = 2.1 m/s Resistance of the resistor R = 5.2 Ω Magnetic field B = 2.0 T ℓ = 1.2 m
Q: Light of wavelength 196 nm shines on a metal surface. 3.77 eV is required to eject an electron. What...
A:
Q: Of 150 m/s horizontally (0 degrees) buildin
A:
Q: Problem 5. (Scattering States). A particle of mass m approaches a potential step barrier Vo located ...
A:
Q: A mass breaks suddenly into two parts, masses M and m, with speeds V and v respectively and carrying...
A: Given, Mand m are masses when a mass breaks suddenly, with speeds V and v. Total kinetic energy is K...
Q: 12. part 1) You place a mass m = 25 g on a book and slowly increase the angle 0 that the book makes ...
A: Solution: Part 1.) The free-body diagram of the system is drawn below. Given that, the mass of the ...
Q: A laser resonator consisting of two mirrors with reflectivity R1=1 and R2=D0.95 respectively, effect...
A: Given: R1 =1 R2 = 0.95 effective medium length = 0.1 m spontaneous emission lifetime 10-6 sec A he...
Q: A particle is constrained to move upward to the right along the path 2y²=x³+3 where x and y are in i...
A: Given equation are 2y2 = x3 + 3 x = t2 - t + 4
Q: The surface of water in contact with glass wall is (a) Plane (b) Concave (c) Convex (d) Both 'b' and...
A: There is an net attractive force between the molecules of water and glass. And that's why we observe...
Q: Consider a harmonic oscillator in the quantum state 4(x, 0) = A(41(x) + 42 (x)) where: Vn(x) → energ...
A: Hey dera have a look
Q: A particle performing circular motion with its diameter d and velocity v. Then the anguľar displacem...
A: find-angular displacement (θ)=?Given data-diameter is 'd'Velocity is 'v'
Q: Consider a particle in an infinite square well where the length is a and the initial wave function i...
A:
Q: A light ray passes through a glass block of index of refraction n = 1.5 as illustrated in the figure...
A: Index of refraction of block n = 1.5 L = 3.40 cm θ = 39.0o
Q: -e -e +e -e
A:
Q: The velocity of a particle is given by v = {16t'i + 4t°j + (5t + 2)k} m/s, where t is in seconds. If...
A:
Q: Shown in the following figure is a long, straight wire and a single-turn rectangular loop, both of w...
A: According to Faraday's law, the emf induced in a coil is directly proportional to the negative time ...
Q: A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The soun...
A:
Q: ât, a3: From Hlo): Eolo> Prove that En =(n+5) tio - . o> and at, %3D %3D
A: Solution: The Hamiltonian operator operates in the state 0 to get the energy eigenvalue E0
Q: |The speed of rotation of a body increase from 60 r.p.m. 90 r.p.m. in 1 minute. Calculate the torque...
A: To find-Torque (T)=?Given data-n1=60 r.p.m=6060=1 r.p.sn2=90 r.p.m=9060=1.5 r.p.st=1 minute=60 sec.I...
Q: A car of mass 1500 kg is initially travelling at a speed of 12 m/s. The driver then accelerates to a...
A: Given that,Mass of the car : m =1500 (kg)Initial speed : u =12 (m/sec)Final speed : v = 25 (m/sec)Di...
Q: A string is attached – vertically – from one end to a vibrator and from the other end to a block of ...
A:
Q: 7. A square house is built with walls facing due North, due East, due West and due South as shown in...
A: Given, L=15.8 mB=5.00×10-4T
Q: A wheel has its speed increased from 120 to 240 r/min in 20 s. a. What is the angular acceleration? ...
A: Given that,The initial angular speed of wheel : 120 (rpm)The final angular speed of wheel : 240 (rpm...
Q: The power rating of a light bulb is the power it dissipates when conn a 120 volt potential differenc...
A: Given: The potential difference is 120 V. The power is 30 W. To determine: The resistanc...
Q: Find the QR factorization for the matrix A. -6 2 %3D 3 4
A:
Q: Derive Kleen-Grodon equation also explain its physical significance
A:
Q: The surface of water in contact with glass wall is (a) Plane (b) Concave (c) Convex (d) Both 'b' and...
A:
Q: Discuss principles of Laser operation, Pumping process and Passive optical resonators in detail.
A:
Q: square, single-turn wire loop € = 1.00 cm on a side is placed inside a solenoid that has a circular ...
A:
Q: A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 N. What material is the wire ...
A: Given data Length, L=6.5 m Diameter, d=2.05 mm Resistance, R=0.029 Ω The resistivity of the wire mat...
Q: 6.12 ** Show that the path y = y(x) for which the integral function. | x/1- y2 dx is stationary is a...
A: The following integral is stationary When
Q: The displacement of a wave on a vibrating string is given by ye) = (0.050) sin 2 (+) where the wave ...
A: The is based upon the displacement of a wave on a vibrating string. The equation is given as follows...
Q: 1. I drag a mass m = 21 kg in a straight line, along a horizontal surface, a distance D horizontal f...
A:
Q: Let's use Kepler's laws for the inner planets. Use the following distances from the sun to calculate...
A:
Q: Consider a particle in one dimension with a potential energy -U , -c < x < c V(r) = 0, otherwise whe...
A: Quantum physics describes a particle's quantum state as a function of spin, time, momentum, and posi...
Q: An initially uncharged 4.71 x 10- F capacitor and a 8990 2 resistor are connected in series to a 1.5...
A: Given:Initially uncharged capacitorCapacitance, C=4.71×10-6 FSeries resistor, R=8990 ΩSource V=1.50 ...
Q: And now some conceptual questions related to the general concepts covered in this course. (Don't ove...
A: Given a cannon that fires a ball from the top of the cliff. Height of the cliff (H) = 100m. The init...
Q: Consider a particle in an infinite square well where the length is a and the initial wave function i...
A:
Q: 6. At the instant shown, point P on the cable has a velocity Vp = 12 m/s, which is increasing at a r...
A:
Q: In an old-fashioned television set, electrons are accelerated through a potential difference of 25.2...
A:
Q: The circuit in the figure below has been connected for a long time. Let R. = 12 Q, R, = 9 Q, and V =...
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images