Q2: What is the activity of a 0.05-kg sample of 235U? The half-life of 235U is 7.04× 10° yr.
Q: The 2nd harmonic of a string of length 40cm and linear mass density 2.7g/m has the same frequency as...
A: Given: Linear Mass Density,μ=2.7g/m=2.7×10-3kg/mLength of String,L=40cm=40×10-2mSpeed of the Sound i...
Q: Q3. A dipole with charges q and -q separated by a distance d is placed in the electric field between...
A:
Q: 1. Two small objects each have a charge of -5.0 x 10° C and are 20 cm apart. Determine the magnitude...
A: (1)The magnitude of the electrostatic force. Given, magnitude of charge on each objectq=-5×10-5 Cdis...
Q: In the figure, a laser beam of power 6.61 W and diameter 2.60 mm is directed upward at one circular ...
A:
Q: 3) Surface charge is distributed on a plane as shown in the figure below. The surface charge density...
A: The surface charge density of the plane is given as : σ=2xx2+y2+432C/m2
Q: Ex. 3: A light thin uniform rod of 0.8 m length has two masses each of 16 gm stuck at its ends. Trea...
A: To find-M.I. of the system about an axis passing through its one end.Io=?Given-L=0.8 mm1=m2=16 gm=1....
Q: Using the definition of the scalar product, find the angle betveen the following vectors. (Find the ...
A:
Q: GENRAL PHYSICS| A pregnant woman experiences labor pains, so the husband decided that she will be br...
A: Given distance of hospital d=70km, Speed of car v=50km/h Speed of light u=60km/h Baby delivered afte...
Q: The Halmitonian describing an axially symmetric rotor is given by L + L3 L? H 21 213 (a) Find the sp...
A: Using, Angular momentum operator, L2=Lx2+Ly2+Lz2......................1 And when they operate on |l,...
Q: 6. Vector A has a magnitude of 5.00 units, and vector B has a magnitude of 9.00 units. The two vecto...
A:
Q: FTcose 1. For each of the four trials, determine the airplane's mass from Egn. (1)
A: Given: Diameter of Airplane's Path 1,D1=90.5cm=90.5×10-2mDiameter of Airplane's Path 2,D2=104.5cm=10...
Q: A 3.7 mH inductor is initially connected to a 4.6 V battery att=0 through a 3.0 Q resistor. Once the...
A: Given that, The inductance of an inductor (L) = 3.7 mH. Supply voltage (ε) = 4.6 V. Resistance (R) =...
Q: Calculate the differential pressure between A and B for the system shown in the following figure? Do...
A:
Q: 15 : Calculate the outward pull on a metal plate of area 0.01 m² having a charge density 100 µc/m², ...
A: To Find: Outward pull (F) Given Data: AreaA=0.01 m2σ=100 μC/m2σ=100×10-6 C/m2K=1∈o=8.85×10-12 C2/Nm2
Q: It has been proposed that a spaceship might be propelled in the solar system by radiation pressure, ...
A:
Q: Develop expression for eccentricity e in terms of specific energy and angular nomentum h.
A: Hey dear ,this question if from classical mechanics and the topic is central force motion I have sol...
Q: A voltmeter has a resistance 30 2. What will be its reading when it is connected across a cell of e....
A: To Find: Reading on voltmeter (i.e. Potential difference) V Given Data: Resistance of voltmeter (R) ...
Q: Which of the following conditions is not necessary for a sustained chain reaction ? A) Fast moving n...
A: Chain Reaction: A chain reaction occurs when neutrons generated during fission cause subsequent fiss...
Q: Mike at um = 15 km/h. The moment they start, a fly also starts from Josh towards Mike and after reac...
A: The displacement is calculated by taking the integral of velocity function , that is , Let the or...
Q: Assume you accept the Solar Nebula theory as the model for the formation of the Solar System. If so,...
A: Given Assume you accept the Solar Nebula theory as the model for the formation of the Solar System. ...
Q: Problem 1: Consider the sphere and the hollow cylinder below. The sphere can fit exactly into the cy...
A: Area of sphere S1:Taking small element dS1=a2sinθdθ dϕS1=∫dS1=∫a2sinθdθ dϕθ: θ'→π/2ϕ: 0→2πS1=∫θ'π/2∫...
Q: The stress in a wire of diameter 2 mm, if a load of 100 gm is applied to a wire, is
A: To find-Stress=?Given-Diameter of wire=2 mm=0.002 mRadius=D2=0.0022=0.001 mLoad (M)=100 gm=0.1 kg
Q: 4-14 A frictionless piston-cylinder device contains 5 kg of nitrogen at 100 kPa and 250 K. Nitrogen ...
A: Given: Mass of the gas,m=5kgFinal Temperature,Tf=360KInitial Temperature,Ti=250KUniversal Gas Consta...
Q: 3. Consider a particle in an infinite square well potential trapped between 0 < x < a. What is the e...
A: The energy eigen values of a particle confined in an infinite well with width a is given by En=n2h2...
Q: The following table of elevations and energy levels correspond to an NBA basketball travelling strai...
A: Given: Mass of basketball,m=0.600kgAcceleration due to gravity,g=9.8m/s2Height,h=5m The expression f...
Q: 6) A dipole of magnitude p = 3 x 10 25 Cm is placed in an electric field of strength E = 46 N/C. The...
A: Solution: The potential energy of the dipole in an electric field is given by the following relation...
Q: A 85.0 kg man jumps straight up (with no horizontal component of velocity) and catches a horizontall...
A: Given: Mass of man,mm=85kgInitial Velocity of man,um=0m/sMass of ball,mb=0.430kgHeight of the peak o...
Q: A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observ...
A: The velocity of proton moving in x-direction is given as, vp=1.40i^ km/s. The force experienced by p...
Q: HO Eigenstate. Prove that the ground state wavefunction for the harmonic oscillator is an eigenfunct...
A: The Hamiltonian for the Harmonic Oscillator is: H=p22m+12mω2x2 .... (1) Here, p could be considered...
Q: 5. A charge of 0.552 µC passes a particular point along a conducting wire in a time of 1.37 s. What ...
A: When a charge flows in a electrical wires with time a electrical current comes into the picture. In ...
Q: 3) Surface charge is distributed on a plane as shown in the figure below. The surface charge density...
A: The surface charge density of the plane is given as, σ=2xx2+y2+43/2 C/m2 The value of h from origin ...
Q: 24.0 24.0 V -5.00 cm-
A: Current( I) in wire =V/R=24/12=2 Ampere Now force due to magnetic field in wire will be upward from ...
Q: 1. A pregnant woman experiences labor pains, so the husband decided that she will be brought to the ...
A:
Q: Ex. 10 : In Young's experiment interference bands are produced on the screen placed at 1.5 m, from t...
A: To find-(1)Fringe width (X)=?(2)Change in fringe width (X'-X)=?Given-D=1.5 md=0.15 mm=0.15×10-3mλ=65...
Q: 1. A basketball is thrown from the ground into the air at an angle of 40.0° from the horizontal at a...
A: Given, v= 18 m/s Angle = 40 degree
Q: 4. Four 3 pC charges are at the corners of a 1-m square. Two charges on the left are positive and th...
A: The charge configuration is shown above. The distance from the corner to the centre of the square i...
Q: Morse code uses dots and dashes to represent symbols(letters, numbers, etc.). For example, C is -.-....
A: Solution:-Given thatMorse code uses dots and dashes only to represent symbols.Number of symbols repr...
Q: 3. An observer detects two explosions that occur at the same time, one near her and the other 100 km...
A:
Q: red to be 90° (note the contact radius he line tension here is r=0.5 nN, and the change with the liq...
A: Given as,
Q: A 10µF capacitors is connected to a 100 V battery. What is electrostatic energy stored ?
A: The main work of capacitor is to store energy, we call it as electrostatic energy.Now we will use si...
Q: nt sides of yourself?
A: Self reflection is described as a seeing a reflection of oneself on to a mirror and it allows chance...
Q: A 3.8 N and a 10 N force act on an object. The moment arm of the 3.8 N force is 0.20 m. If the 10 N ...
A: Given that,Force : F1 = 3.8 (N)Force : F2 = 10 (N)Moment arms are r1 and r2 respectively.Also, ...
Q: For a homogeneous dielectric medium with the refractive index of n(w), the corresponding Maxwell's e...
A: Given: Refractive index of the medium =n(ω) Maxwell's equations ∇⇀×E⇀=jωμ0H⇀∇⇀×H⇀=-jωn2 ε0E⇀∇⇀.E⇀=0∇...
Q: Describe the changes in velocity at various points for a mass in simple harmonic motion
A: for a mass undergoing simple harmonic motion, the displacement of the mass from the mean position wi...
Q: Ex. 124 A body cools from 75° to 55°C in 10 minutes in a surrounding of 31°C. At what temperature wi...
A: To find-Temperature of body (θ)=?Given-θ1=750 Cθ2=550 Ct1=10 minθ0=310 C
Q: all the quantities are in S.I. units. Calculate the Ex. 8: The equation of progressive wave is %3D r...
A: To find-(1) Wavelength (λ)=?(2) Frequency (n)=?Given-Y=0.2 sin 2πt0.08-x5
Q: A. A soccer ball is kicked at an angle of 35° and gained an initial velocity of 40 m/s. Determine th...
A: According to kinematic equations of motion, vx=ux+axtvy=uy+aytux,uy are the x and y components of in...
Q: Distance (km). Time (hr) 105 1.4 175 -2.3 250 3.3 4.2 315 350 4.8
A: The graph of distance and time is shown
Q: Ex. 2: A vibrating tuning fork emits sound waves of period 2 x 10 3 second and wavelength 0.7 m in a...
A: To find-Velocity of sound in air (V)=?Given-Periodic time (T)=2×10-3 secWavelength(λ)=0.7 m
Q: A 2-kg car accelerates uniformly from rest to a speed of 10 m/s in the first 5s (frictionless horizo...
A: Given that,Mass of car : m = 2 (kg)At t = 5 (sec), v = 10 (m/sec)Now,Here we can apply the eqn of mo...
radio activity physics
Step by step
Solved in 2 steps with 2 images
