The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm in diameter is connected to a power source with a potential difference of 15 V. Find the current. I =
Q: If a quasar is 1,980 times more luminous than an entire galaxy, what is the absolute magnitude of su...
A:
Q: Find how the components of symmetric 4-tensor A"" will change under the Lorentz transfor- mations.
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: The numerical aperture (NA) of a fiber characterizes the ability of a fiber to collect light (a high...
A: The numerical aperture of a fiber is the ability of the fiber to collect light. And mathematically, ...
Q: In the fundomontal mode the Lime taken the ound cuave lo, sieach upto the closed end es 0.018 The fu...
A: To find-Fundamental frequency=?Given-Time (t)=0.01sThe pipe is closed at one end.
Q: If a circular accretion disk around a 1.4 M. neutron star has a radius of 1.00 x 105 km as measured ...
A: The radius of the ring (r) = 1.00 x 105 km = 1.00 x 108 m (since 1 km = 1 x 103 m) Here M0 must be ...
Q: Consider a particle in a infinite spherical potential well. V(r) = { 0, ra. (a) Solve the equation f...
A:
Q: Find the radius of the wire of length 25 m needed to prepare a coil of resistance 25 2 (resistivity ...
A: The resistance of a wire is of length L radius r and resistivity ρ is given by R=ρLπr2 given that L=...
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: In Melde's expt., tunning foek war auonged in pauallel posikion 4 6 loops the sbritchedl by a weight...
A: To find-Frequency of tunning fork (N)=?Given-Tunning fork is arranged in parallel position.No. of lo...
Q: A heating element in a stove is designed to dissipate 2,960 W when connected to 240 V. (a) Assuming ...
A: Given that, The power dissipated in the heating element, P=2960 W Voltage, V=240 V. The power dissip...
Q: A 180 V battery is connected across two parallel metal plates of area 28.5 cm2cm2 and separation 7.2...
A: Given,Battery=180VArea A=28.5cm2separation d=7.20mmPotential difference V=1.50kV
Q: Four interference lines are observed on an optical flat (with wavelength = 0.6 microns). What is the...
A:
Q: Q. 27 One thousand small water droplets of equal size combine to form a big drop. The ratio of the f...
A:
Q: A double-slit experiment is performed with light of wavelength 630 nm. The bright interference fring...
A: When light passes through the two slits, it gets diffracted along the edges of the slits. These diff...
Q: A horeontal rectangar surtace has dmensions 2.90 cm by 3.30 cm and is in a unform magnetic feld that...
A:
Q: QUESTION 5: Find AE for the second bounce. Is it the same, smaller, or bigger than the energy lost i...
A: The potential energy of an object at height h above the ground is given by U=mghm=mass of the object...
Q: Consider the differential volume element Y10Q1 [r,r+ dr] [0,0+ d0] [o,6+ do] shown in the Cartesian ...
A:
Q: 1) a) In a revolution type ride with R = 20 meters, how fast would you have to go at the top in orde...
A: Given: R=20 Formula used: mv2r=mg
Q: 9. The sides of two squares are in the ratio of 2 to 1. (a) What is the ratio of their areas? (b) If...
A: For any plane figure, the area is given by the general formula, A=ka×bk=some constant which is simil...
Q: Minority carriers (holes) are injected into a homogeneous n-type semiconductor sample at one point. ...
A:
Q: A bullet accelerates the length of the barrel of a gun, which is 0.75 at a rate of 250m/s^2. How lon...
A:
Q: #2. Describe the changes in velocity at various points for a mass in simple harmonic motion
A: In Simple harmonic motion particle changes its velocity on each point & at each time. change in ...
Q: Fresnell rhomb changes incident light's polarization by using the phase retardation of totall neffec...
A: A fresnel rhomb is a device that introduces a phase difference between the components of the electri...
Q: Which of the following best describes electric potential energy? The energy a charge has due to its ...
A: We can say, Electric P.E is analogous to gravitational P.E unlike electric P.E is examined in an ele...
Q: A 150 kg table is resting on 60°sloping floor from vertical axis with coefficient of friction u= 0.6...
A:
Q: The hydrogen Balmer line H, has a wavelength of 486.1 nm. It is shifted to 579.2 nm in a quasar's sp...
A: The original wavelength of hydrogen Balmer line is given as, λo=486.1 nm. The shifted wavelength of ...
Q: The electric potential V in a region of space is given by V(x,y,z) = A(x² – 3y² + z²) where A = 4.00...
A:
Q: A uniform ladder rests against a frictionless wall at an angle of 46.0 with respect to the ground. i...
A: Given: Length of ladder,L=7.5mWeight of the ladder,WL=280NWeight of the man,WM=825NAngle,θ=460Coeffi...
Q: 4. You decide to take the plunge and go bungee jumping. Being a college student, you do this on the ...
A:
Q: A 20-cm length of wire is held along an east- west direction and moved horizontally to the north wit...
A: Given that,Length of wire : L = 20 (cm) = 0.2 (m)Speed : v = 3 (m/sec)Magnetic field : B = 60×10-6 ...
Q: A galvanometeu has a nesislonce of 98 0hm It is shuntod by'2 ohm sresislance what is the foioction o...
A: Given: RG=98Ω, r=2Ω As the shunt resistance is connected in parallel to the galvanometer, the voltag...
Q: Organize the forces involved during the motion of the system by listing the forces as "agent on obje...
A: Internal Force: This type of force is acted on the body when the body changes ...
Q: 10. (a) If the length of each edge of a cube is dou- bled, what happens to the volume? (b) An en- la...
A: Given , to find what happens to volume if the length of each edge of the cube is doubled.
Q: Consider a particle in a infinite spherical potential well. 0, ra. (a) Solve the equation for the ra...
A:
Q: What direct current will produce the same amount of thermal energy, in a particular resistor, as an ...
A: The power dissipated in a resistor connected to an AC source is, Pavg=I2rmsRthen, Pavg=I2R2 the powe...
Q: At room temperature (27.0 °C) the resistance of a heating element is 100 Q. What is the temperature ...
A: Given that the room temperature, T = 27oC The heating element has a resistance of R = 100 ohm Let th...
Q: A) Explain the Law of Conservation of Energy in the context of this problem.
A: The law of conservation of energy states that the total energy of any system during any process alwa...
Q: of pauticle is execuling a SHM acceleretion is æ and maximum wulocity up. Then ili a SHM manimum ite...
A: For a particle executing simple harmonic motion, the position is given by, x=Acosωtω=angular freque...
Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The moonshin...
A: The bulk modulus is given by, K=Pressurevolumetric strainvolumetric strain=change in volume initial ...
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 wire 2 m long moves perpendicular through a 0.08 T field at a speed of 7 m/s. What EMF is induced?...
A: Given that, The length of the wire is l=2 m Magnetic field, B=0.08 T Speed, v=7 m/s Resistance, R=0....
Q: Consider a particle in a infinite spherical potential well. V(*) = { 0, r a. (a) Solve the equation ...
A:
Q: A uniform circular disc with its plane horizontal is rotating about a vertical axis passing through ...
A: To find-M.I. of the disc (I1)=?Given-n1=180 rpm=18060=3 rpsn2=(180-60) rpm=12060=2 rpsm=1.9 g=1.9×10...
Q: Please help me with this motion graph question? Please show me how you completed
A: The graphs are given free hand. Please take care in the markings.
Q: What is the volume and its approximate uncertainty of a sphere of radius 1.96 +- 0.0m?
A:
Q: F2 1M 30° F 0,8 м A 0,5 м F4 30°
A:
Q: The airspeed of an airplane is 100 km/h. When it is caught in a 100-km/h right-angled crosswind, its...
A: Given: Speed of airplane,vairplane=100km/hrSpeed of crosswind,vcrosswind=100km/hrAngle,θ=900 The spe...
Q: 1. A bottle with a mass of 1.2kg is resting horizontally in a rack, shown from the front by the draw...
A: This multipart question is actually tells you how to solve a mechanics question. 1. Draw FBD 2. writ...
Trending now
This is a popular solution!
Step by step
Solved in 3 steps