What is the electric field 3cm away from a linear conductor 30m long with a linear charge density of 35μC/m? (express your answer in scientific notation with 2 decimal places, include correct unit)

Q: You notice a brightly colored bug on the windowsill. Your magnifying glass has a focal length of 3.0…

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Q: two infinite sheets carrying currents are parallel to each other in xy plane, and the distance L,…

A: We know that  We have given that the two infinite sheets carrying the current are parallel to each…

Q: A 0.10 kg tennis ball moving at 5.0 m/s[W] is hit by a racquet. If the final velocity of the ball is…

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Q: five 10.0 F capacitors. Show all the possible connections for the five capacitors to produce a total…

A: 1)  We know that we have a five capacitance of 10.0 F  We know that the two combinations of the…

Q: A battery supplies a constant current of I = 15 mA to the circuit of a flashlight with a resistance…

A: Given data:  Current (I) = 15 mA = 15×10-3 A Resistance (R) = 4.1 kΩ = 4.1×103 Ω Required: Potential…

Q: Two capacitors (C, = 8.00 µF and C, = 13.0 µF) are now connected in series and to a 9.00-V battery.…

A: Given: C1=8 μFC2=13 μF The connection of the capacitors is in series. The supply voltage is 9 V.

Q: Does the fact that the light flash from lightning reaches you before its sound prove that the speed…

A: We know that light from lightning reaches first then we listen sound.  We need to answer whether…

Q: The light shining on a diffraction grating has a wavelength of 491 nm (in vacuum). The grating…

A: given data wave length = 491 nm angle  = 8.51 degress how many lines per centimeter does the grating…

Q: En la figura & = 12V, R = 62 R2 = 122 Ra = 4 요 R4 = 3 요 R5 = 5 2 %3D ¿Cuál es la diferencia de…

A: Given  R1 = 6 ohm R2 = 12 ohm R3= 4 ohm R4= 3 ohm R5= 5 ohm

Q: axis). At a particular instant an electron at location m has velocity m/s. Zout

A: GivenI=8.8 ALocation of electron, =0,-0.003,0v→=-2×105,-2.4×105,0  m/s

Q: vo coplanar and concentric circular loops of wire carry curre et r, = 12.0 cm and r, = 8.50 cm.…

A: GivenI1=6.1 AI2=2.1 Ar1=12 cmr2=8.5 cm

Q: What are the two smallest thicknesses of a thin film of material with index of refraction 1.25 that…

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Q: A tank of gasoline (n = 1.40) is open to the air (n = 1.00). A thin film of liquid floats on the…

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Q: The world’s longest suspension bridge is the Akashi-Kaikyo Bridge in Japan. The bridge is 3910m long…

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Q: Astronomers have discovered a planetary system orbiting a star, which is at a distance of 5.1 × 1015…

A: Given  Wavelength= 557 nm  Distance between planet and star, Y = 1.6×1010 m  Distance of planet from…

Q: * An electron placed in a potential of 10 volts. Calculate the speed of this electron

A: The potential is given by V=10 V

Q: Problem 4: Find B for the dipole moa, located at the origin. m3D

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Q: (a) Define kinetic energy and gravitational potential energy. What is the Sl unit for energy? (b) A…

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Q: A solid object weighs 18.06 N in air. When it is suspended from a scale and submerged in water, the…

A: Given data :- Weight in air Wa = 18.06 N  Weight in water Ww = 5.42 N  Density of water ρw= 1000…

Q: In the situation similar to that shown below, a small red LED (light-emitting diode) is placed on…

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Q: Electric room heaters use a concave mirror to reflect infrared (IR) radiation from hot coils. Note…

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Q: What is the energy in eV and wavelength in µm of a photon that, when absorbed by a hydrogen atom,…

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Q: 1.5-V emf source has an internal resistance of 0.50 Ω. After it has been connected to a load with a…

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Q: 2) Light has angular fregueacy J Calculete the linear freguency. 6000 Tr an ss Calculate the period.…

A: Given data:  A light wave  Angular frequency (ω) = 6000π rad/s  Required: Linear frequency (f),…

Q: Spaceships A and B move in opposite directions at the same speed of 0.431c relative to earth, with A…

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Q: 2 A2 hp air-conditioning unit is designed to operate on 220-V. What must be the resistance of the…

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Q: A 20-kg block lies on a smooth horizontal surface. What constant force will give the body a velocity…

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Q: 21 F2 A bar of length l rotates about one of its edges. After you push it with a force of F1 = 10 N…

A: Given: F1=10N ∆t=8 sec I=13ML2

Q: a R1 24 Vdc R3 R2 R1 b

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Q: For the next three questions, consider the following situation. Light with frequency f1 = 4.7 X 1014…

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Q: F (N) 1 2 3 45

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Q: Suppose the current is changing with time according to I = a + bt, where a and b are constants.…

A: We know that We have given that the A loop of wire in the shape of a rectangle of width w and length…

Q: An AC voltage of the form v(t) = 100 sin 1000t, where v(t) is in volts and t is in seconds, is…

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Q: 1. Find the tension in each cord in Fig. shown below if the weight of the suspended object is 350N…

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Q: The maximum height of a ferris wheel is 14.5m. The wheel takes 4 min to make 1 turn. People get on…

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Q: Find the current in a copper wire connected to a battery, if a charge of 2.50 C passes through a…

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Q: A cylinder with a movable piston contains 3 moles of hydrogen at standard temperature and pressure.…

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Q: After a plant or animal dies, its 14C content decreases with a half-life of 5730 years. If an…

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Q: The light from the sun takes 400 s to reach the earth. Assuming that the speed of the light is 2,…

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Q: A long solenoid that has 1 150 turns uniformly distributed over a length of 0.410 m produces a…

A: Write the given values with the suitable variables. N=1150L=0.410 mB=1.00×10-4 T Here, N is the…

Q: A 21-turn circular coil of radius 4.40 cm and resistance 1.00 n is placed in a magnetic field…

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Q: A cyclist moving with a speed of 8m/s has a kinetic energy of 1500 J.what is the mass of the cyclist

A: Speed, v=8m/s Kinetic energy, E=1500 J Let mass of the cyclist is m kg. Then, E= 1/2 mv² 0r, m=2E/v²…

Q: Two divers are standing on two different diving boards one next to the other. The diver on the…

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Q: A fisherman fishing from a pier observes that the float on his line bobs up and down, taking 2.4 s…

A: Solution:-  To find the speed of the waves you can use the following formula: λ: wavelength of the…

Q: (b) The speed versus time graph for an object is shown below: Speed/ ms 15- 2 6 8 10 timel s (i)…

A: The total distance covered by the object is the area under the speed-time graph.

Q: Consider the hemispherical closed surface in the figure below. The hemisphere is in a uniform…

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Q: An object 1.6 cm high is held 3.15 cm from a person’s cornea, and its reflected image is measured to…

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Q: PR1V 24.000V 1 333.91mA R1 250 2 PR2 v 15.652V 125.22mA V1 R3 PR4 v 15.652V /200.70mA 24V 1002 4 R2…

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Q: A thin, convex lens with a focal length of 6.0 cm is used to form images. A variety of object…

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Q: An appliance used up 33.0 kJ of energy for 60 seconds at a 220 V potential difference. 1.  How much…

A: Given data:  Energy (E) = 33.0 kJ = 33.0×103 J Time (t) = 60 s Required: Power (P)

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.