Q/If you know that the distance between the Earth and the Moon is 384,400 km, then the light from the Moon reaches the Earth within 1-0.182 s 2-1.82 s 3-182 s 4-18.2s
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Q: The threshold wavelength for silver is 3800 A. Calculate the photoelectric work function for silver ...
A: To find- Work function in eV (W)=?Given-λo=3800 A0λo=3.8×10-7 mh=6.63×10-34 JsC=3×108 m/s1 eV=1.6×10...
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Q: Find the radius of Pb206?
A: To find- Radius (R)=? Given- Mass number (A)=206 R0=1.2 x 10-15 m
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Q: 840 N F 38° 3. an ifit were our an 35° 31 400 N 2.1 kN a. Determine the magnitue of P and F (in N) i...
A: Solution: a). First of all, rewrite the vectors into their components forms. A→=400N-cos9°y^-sin9°x...
Q: The isospin of pion TT is а. О O b. 1 O c. -1 O d. 1/2
A: An isospin is a quantum number that refers to the particle's up-and-down quark content. Isospin symm...
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A: in given circuit all three resistors are in series connection with the voltage or power source. So a...
Q: 4.10 Given an optical resonator ( E1 = 30 cm ) R = -20 cm %3D 1. R2 = 15 cm a. Calculate the positio...
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Q: What is the final temperature (in ˚C) of a 2.91 kg glass baking dish if it was heated from a startin...
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Q: The neutral temperature for Cu Fe thermocouple is 270 °C. If the temperature of cold junction is 35 ...
A: To find- Inversion temperature (θi)=? Given- Neutral temperature θn=2700C Temperature of cold juncti...
Q: A series RLC circuit has a resistance of 45.0n and an impedance of 75.0 0. What average power is del...
A: Given that:- Resistance of the RLC circuit is R=45.0 Ω. Impedance of the circuit is Z=75.0 Ω. RMS vo...
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Q: A coil of wire consists of 65.0 turns and has an area of 7.9 m?. The magnetic field through the coil...
A: Given that:- No of turns, N=65.0Area, A=7.9 m2Change in Magnetic field,∆B=12.9 T-4.2 T=8.7 TChange i...
Q: ( Ideal Gas Processes) 1. A perfect gas has a value of R 58.8 ft.lb/lb.R and k= 1.26. If20Btu are ad...
A: Concept: We were given R = 58.8 ft.lb/lb. per unit degree Rankine as the ideal gas constant and an a...
Q: Question 5 A car of mass 4OOKg is placed on an incline of 30 degrees, workout the reaction force R R...
A: Hey dear using condition of equilibrium we have solved this. Have a look
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A: The electric force produced on a charge placed in an external electric field is given as F=qEq is th...
Q: 1) An electron moves in a uniform magnetic field B with a velocity = vo j. Find the magnetic force o...
A: When a charged particle enters a magnetic field, it experiences a magnetic force given by the equati...
Q: 8 A lens has the following specifications: R = 1.5 cm R2, d(thickness) = 2.0 cm, n = 1.00, n2 = 1.60...
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Q: AS7 kg skier starts from rest at height H- 22 m ahove the end of a ski-jump ramp (see the figure). A...
A: Given: Mass,m=57kgHeight,h=22mAngle,θ=150Acceleration due to gravity,g=9.8m/s2 The law of conservati...
Q: Speed of electron passing an undeviated through a region of cross electric and magnetic fields of ma...
A: Electric field E = 4 × 105 V/m Magnetic field B = 0.02 Wb/m2
Q: A 0.031 kg bullet is fired vertically at 238 m/s into a 0.15 kg baseball that is initially at rest. ...
A: Given that:- Mass of the bullet m1 = 0.031 kg Mass of the ball m2 = 0.15 kg Initial velocity of the ...
Q: An electron is confined in a threc-dimensional infinite potential well. T'he sides parallel to the r...
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Q: A Ferris wheel slows down with a constant angular acceleration of magnitude 5.0 rad/s 2. If the whee...
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Q: A 4 kg ball falls from height of 29. What willbe potential energy of the ball after 1 second? Use g=...
A: Given that,Mass : m = 4 (kg)Height : h = 29 (m)Time : t = 1 (sec)Here we need to find the potential ...
Q: A light ray passes through a glass lens, shown in cross section in the figure below. Find the angle ...
A: Given θ1 = 35° θ2 = 18° θ3 = 32° Find the angle of incidence, as following below.
Q: An electric field is given by E = sign(x) (300 N/C)i where sign(x) = -1 if a 0. A cylinder of lengt...
A: Given: r=0.04m, l=0.2m The electric field in the two regions are given as : E→=sign(x)·300i^ N/C=-30...
Q: A car, originally at 14. 00 m/s (about 50 kph) covered a distance of 250.0 m. If its speed at the en...
A: Given data u=14 m/sV=20 m/sd=250 m Here, u is the initial speed. And V is the final speed of the car...
Q: A block of mass 248 g and volume 205 cm³ floats in a liquid contained in a vessel. The density of th...
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Q: Questions In the circuit below, find the values for the voltages V1, V2, and V the impedance 1) ZIN ...
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Q: If the resonance tube was longer, would it be possible to find another position where resonance is p...
A: A) Length of resonance tube relation with the wavelength of the sound as, Ln=142n+1λ Here, Ln is the...
Q: A travelling wave on a string is given by y = 7.5 sin 0.005x+12t +: where x and y are in cm and t in...
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Q: 1. Write the Theory and draw electrical circuit of a wax bath?
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Q: A particle of charge q and mass n is subject to a uniform electrostatic field E. (a) Write down the ...
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Q: A cylindrical metal boiler of radius 10 cm and thickness 3.14 cm is filled with water and placed on ...
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Q: An electric shower is capable of heating water from 10 C to 55 °C when the flow rate is 0.0400 kg s....
A: Given data:T1=10°CT2=55°CFlow rate m=0.0400 kgs-1˙
Q: In the figure C1 = 10.5 pF,C2 = 20.0 µF and C3 26.0 uF. If no capacitor can withstand a potential di...
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Q: 3. A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10-2 What is the resisti...
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Q: The scale reads26 N when the lower speng has been compressed by 27 cm Whthe value of the aun dodde n...
A: We can use the equilibrium condition. Have a look
Q: A 3.7 mH inductor is initially connected to a 4.6 V battery at t=0 through a 3.0 Q resistor. Once th...
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Q: Consider silicon at T = 300 K. Calculate the thermal-equilibrium electron and hole concentrations fo...
A: Given: Temperature,T=300KConcentration of acceptor atoms,Na=4×1016cm-3Concentration of donor atoms,N...
Q: Consider a negative charge -Q that is uniformly distributed along the y-axis between y = 0 and y = l...
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Q: Design a control action to follow a reference r(t)=sin(3t) for the following system. 1 ,B = -a/2 b -...
A: Given: A=010001-a2b-c,B=001,C=100
Q: An electrically neutral balloon is rubbed against a piece of animal fur and acquires a charge of 0.3...
A: Given that,Charge : q = 0.311×10-6 (C)Here we need to find the number of electrons:Now,As we know th...
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