Ex. 124 A body cools from 75° to 55°C in 10 minutes in a surrounding of 31°C. At what temperature will its rate of cooling be one fourth that at the beginning.
Q: The capacity of a parallel plate condenser with dielectric constant 10 is 12 µF. What will be its ca...
A: To find: Capacity of a parallel plate capacitor (C2) Given Data: K1=10C1=12 μFC1=12×10-6 FK2=1 (For ...
Q: arrows for accuracy. Were th
A: A figure in which one negative charge and positive charge is given and some electric field lines are...
Q: (a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron t...
A: Use the formula for the radius of curvature due to the charge particles in magnetic field,
Q: Ex. 7: The equation of a transverse wave on stretched string is given by Y = 0.05 sin X where x and ...
A: To find-(1) Wavelength (λ)=?(2) Wave velocity (V)=?Given-Y=0.05 sin 2πt0.002-x0.2
Q: Please derive the relation between effective refractive index neft and group index n, dneff ng = Ner...
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Q: The compass of an aircraft indicates that it is headed due east, and its airspeed indicator shows th...
A: The magnitude and the direction of the wind velocity. given, velocity of aircraftvac=150 kmhtime of ...
Q: The following figure shows a conducting sphere of radius a and charge +q uniformly distributed in th...
A: Dear student as you have asked a question with multiple subparts, according to Bartleby policy we wi...
Q: 3. You hike for 1.9 hours at a velocity of 3 mph in due northwest. Then you head 15.9° South of East...
A: The hiking process is divided into two parts: Part 1: (due northwest at an angle of 45°) Time =1.9...
Q: The charges and coordinates of two charged particles held fixed in an xy plane are q1 = 2.28 µC, x1 ...
A: Given, q1=2.28μCr1=3.62,0.658cmq2=-4.44 μCr2=-2.08,1.85cm
Q: Ex. 86 : A siren blowing sound note of frequency 2000 Hz, is moving at a speed of 10 m/s. What will ...
A:
Q: Please derive the relation between effective refractive index ner and group index ne dneff ng = Neff...
A: By definitiongroup index, ng = cvg ...(1)here vg is group velocityThe value of ng is different f...
Q: Q. 23, : A square frame of length (L) is immersed in soap solution and taken out. The force experien...
A: To find- Force experienced (F)=? Given- Side of a frame=L It is dipped in a soap slution
Q: exagonal crystal, measured using Calculate the lattice parameters.
A: Using Braggs law and required calculations,the lattice parameters are determined
Q: Consider a collision in which the target nucleus is at rest in the lab-frame and the projectile is m...
A:
Q: TRUE OR FALSE a) If the work done on a gas is positive, then the gas expanded. b)For a cyclical proc...
A: In Thermodynamics, we conventionally assume that when work is done on a system, then it is positive,...
Q: The crown and flint glasses are to be combined in a double prism that is direct- vision prism for th...
A: The apex angle of the flint prism is given as, Af=5o. WAVELENGTH λ (nm) TYPE CROWN GLASS nc ...
Q: 2. From the following uniaxial data, calculate the Young's modulus and estimate the yield stress (st...
A: Solution: 2. The Young modulus can be obtained by the slope of stress versus strain curve. The stre...
Q: You are observing a the spectrum of two astronomical objects, A and B. You notice that all of the li...
A: (a) Given that we noticed that the spectrum of object A is 10.5 nm longer than expected whereas the ...
Q: A 2-meter high cylindrical tank with a diameter of 2m is filled with 1.5m water. Solve the volume of...
A: Given: h=2m, d=2m, hw=1.5m Refer to the figure below :
Q: Ex. 72 : In biprism experiment the distance between two virtual images of the slit is 0.1 cm and the...
A: To find-Wavelength of light (λ)=?Given-Distance between two images of slit (d)=0.1 cm=1×10-3mDistanc...
Q: A muon travels 60 km through the atmosphere at a speed of 0.9997c. According to the muon, how thick ...
A: Given that, The initial length is L0=60 km The speed of muon is v=0.9997c The thickness of the atmos...
Q: 4-58 A 3-m³ rigid tank contains hydrogen at 250 kP 550 K. The gas is now cooled until its temperatur...
A: Given: The volume of the tank is 3 m3. The initial pressure is 250 kPa. The in...
Q: 46. Engineering Application:A suspension bridge oscillates with an effective force constant of 1.00 ...
A: Solution:-Given thatEffective force constant (k)=108 N/mInitial amplitude of Oscillation (x1)=0.1 mE...
Q: 37. (a)What is the maximum velocity of an 85.0-kg person bouncing on a bathroom scale having a force...
A: Solution:-Given thatMass of person (m)=85 kgForce constant (k)=1.5×106 N/mAmplitude of bounce (x) =0...
Q: ave dimensions of length. The constants A and B are two different comb e dimensional analysis to det...
A: As per rule, allowed to answer three subparts and post the remaining in the next submission.
Q: The work done is blowing a soap bubble of radius (R) is (W). The work done in making the soap bubble...
A: To find- Work done (W2)=? Given- Work done=W when radius=R Final radius=2R
Q: Ex. 68 : Find the energy per unit of copper wire of uniform cross-section and the length 1.5 m, when...
A: To find-Energy stored per unit volume=?Given-L=1.5 ml=1.51-1.5=0.01 mStress=3×102 N/m2Strain=lL=0.01...
Q: Mention and explain the application of Maxwell Boltzmann Statistics in the field of Medical Physics
A: Maxwell-boltzmann distribution is associated with the energy of the molecule. This maxwell distribut...
Q: Please derive the relation between effective refractive index nef and group index ng dneff = nefs +w...
A:
Q: 2. A uniform ladder 10.0 m long and weighing 50.0 N rests against a smooth vertical wall. (a) If the...
A: Given: L=10m, W=50N, θ=43° (a) Refer to the figure below : Here, N denotes the normal force due to...
Q: How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 40.0 m ...
A: Given, Wavelength is λ = 40.0 m speed of propagation is v = 5.0 m/s Time is t = 1 minute t = 60 sec...
Q: For a homogeneous dielectric medium with the refractive index of n(w), if the polarization of the pl...
A: The refractive index of a homogeneous dielectric medium is nω. The polarization of the plane wave so...
Q: Ex. 79 : In a biprism experiment, the fringe width is 0.4 mm when the eye piece i9 at a distance of ...
A: To find-Change in fringe width (X1-X2)=?Given-X1=0.4 mm=0.4×10-3mD1=1mD2=1-0.25=0.75 mD2=0.75 m
Q: D. Can the members of a third-law force pair be different types of forces (e.g., one a gravitational...
A: Third law force pair arise due to interaction of objects with one another.
Q: The given equation is the fundamental equation of a two-component system. S = NA+ NRln [ UžV N¡Rln) ...
A: Given Volume = 10 L N11 = 0.5N21 = 0.75T1 = 300 KN12 = 1N21 = 0.50T1 = 250 K
Q: The a-t graph for the motion of a car as it is moving to the right as shown. The brakes are then app...
A: Given, the initial velocity of the car is zero, u = 0 Now from the graph in question, up to t = 10...
Q: The ship travels at a constant speed of v, = 20 m/s and the wind is blowing at a speed of vy = 10 m/...
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Q: Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. B...
A: Draw the free body diagram of these two blocks,
Q: A voltmeter has a resistance 30 2. What will be its reading when it is connected across a cell of e....
A: The circuit diagram looks like
Q: The nuclear reaction that powers the radioisotope thermoelectric generator is 23823 Pu → 23U + He. T...
A: We will first calculate the energy released when a single Pu-238 nuclei decays to U-235 using the ma...
Q: Two planes, A and B, are flying at the same altitude. Their velocities are vA = 500 km/h and vn = 60...
A:
Q: The cable at A is being drawn toward the motor at vA = 6.8 m/s. (Eigure 1) Part A Determine the velo...
A: We will use the relative length of the cords and then time derivates of these lengths,
Q: Speakers in stereo systems have two color-coded terminals to indicate how to hook up the wires. If t...
A: When two or more waves meet at a point they superimpose, specifically the disturbance of the waves a...
Q: A 10µF capacitors is connected to a What is electrostatic energy 100 V battery. stored ?
A: To Find: Energy stored (E) Given Data: Capacitance (C)=10 μF =10×10-6 FPotenti...
Q: 1000 Ia 200 Ib/ft 25' 50 Force? Force? Figure 1 Suppose one truck is parked on a bridge as shown in ...
A:
Q: The energy density at a point in a medium of dielectric constant 6. is 26.55 x 106 J/m. Calculate el...
A: To Find: E = ? Given Data: dudv=26.55×106 J/m3ε0=8.85×10-12 S.I. unitK=6
Q: (3) The Electric Field due to Charges Q,=+3x10 -8 C and Q2=-2x108 C far away is like the field of Q,...
A: This problem is from Electrostatics (Electrodynamics) Let's solve this problem by using Coulomb's la...
Q: Please derive the relation between effective refractive index nefs and group index ng dneff ng = nef...
A:
Q: A rocket car is traveling at a constant speed of 250 km/h on a salt flat. The driver gives the car a...
A: Given that,Initial velocity : u = 250 (km/h)Acceleration : a = -8.25 (m/sec2)Distance travelled : S ...
Q: Frens 250 g 50g Ju=0.10 EFsystem asystem Ftension (force of tension) = %3D m/s/s asystem (accelerati...
A: A free body diagram for the above problem is shown below The forces acting on this system are Weigh...
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