A plano tuner uses a tuning fork to tune a string to 300H2. When the tension is 530N , he hears a beat trequency of 0.3Hz.The beat frequency decreases if the tension is increased. What is the correct tension?

Q: Two charges of + Q are 1 cm apart. If one of the charges are replaced by a charge of – Q, the…

A: Given: Charge separated distance, d= 1

Q: 6. A cord 3.0 m long is coiled around the axle of a wheel. The cord is pulled with a constant force…

A:

Q: A section of drainage culvert 1.23 m in length makes a howling noise when the wind blows. What is…

A: Given Data The length of the tube is:L=1.23 m The temperature of the air is:T=38°C To find: The…

Q: Two identical resistors in parallel have an equivalent resistance of 2 Q. If the resistors were in…

A: let the resistance of each identical resistor be r equivalent resistance in parallel= rp = 2

Q: The power rating of an electric motor that draws a current of 3.0 A when operated at 120 V is О . 40…

A: Given data I=3 AV=120 V

Q: The 4.00 kg block is attached to a vertical rod by means of two strings. When the system rotates…

A:

Q: A diffusion compartment, in which there is only pure solvent, has the dimensions 2cm*2cm*2cm with…

A: Option b is the correct answer.

Q: Two beams of light start together and then hit a slab of two different kinds of material. This will…

A: Given data: Refractive index of slab 1 = 1.71 Refractive index of slab 2 = 1.42 The wavelength of…

Q: A certain wire has a resistance R. The resistance of another wire, identical with the first except…

A: Given data R1=Rd1=dd2=2dR2=R'

Q: In the formula F = kq,92/r2 , the true value of the constant k O a. has a numerical value of…

A: The formula of Coulomb’s force between two charges: F=kq1q2r2 Where, k=14πε0,ε0=Permittivity of free…

Q: QUESTION.1. Write charge-free Maxwell's equations in phasor form. Derive the wave equation for E and…

A: Solution attached in the photo

Q: A placekicker kicks a football at an angle of 23.0 degrees with respect to horizontal and the…

A: Required  Time of flight of the football

Q: 4/ Please explain the answer in detail

A:

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A: The resistance of the conductor is directly proportional to its length  And the resistance of the…

Q: 4. Two current-carrying loops are arranged so that they form concentric circles as shown in the…

A: The magnetic field due to the circular loop at its center is  B =μo4π2π Ir where, I is the current…

Q: b) Figure lb shows the forces acting at the same point. If the magnitude and direction of resultant…

A: Refer to the figure below :  In the figure,  tanϕ=125ϕ=67.38°

Q: An x-ray tube has an applied voltage 40 kV, calculate the maximum speed of the electron to produce…

A: Given data: Applied voltage is, V'=40 kV=40×103 V.

Q: The energy content of a charged capacitor resides in its Оа. electric field O b. charge O c. plates…

A: The energy content of a charged capacitor resides in electric field.

Q: I don't even know where to start with this problem...HELP

A: The vector F3 can be written as, Use triangle law of vector addition and determine the resultant of…

Q: se solve. I need solutio

A: Given,Output voltage V∘=7.50 VOutput current I∘=1.8 A, Input voltage Vp240 V.Required: Input current…

Q: Capacitance of a Thundercloud The charge center of a thundercloud, drifting 3.0 km above the earth's…

A: Given: Distance is 3 km Charge is 20 C Radius is 1 km

Q: 2. A tow truck pulls a car from rest onto a level road. The tow truck exerts a horizontal force of…

A:

Q: Of the following quantities , the c n character is electric O a. а. energy

A: We will first discuss all the options provided to us one by one respectively. (a)Electric…

Q: A storage battery is being charged at a rate 8f 100 Watts at a potential difference of 13.6 V . The…

A: Given:  Power P= 100 W Voltage V= 13.6 V rate of charge transfer= current (i)

Q: charge? If a 2µC charge is placed in this field at this distance, what will be the force on it?

A:

Q: (!) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. A rod of semiconducting…

A: Length , L = 4 m Cross section area, A = 3.5 X 10-6 m2 Resistivity,          ρ = ρ0 LA ( 1 - x2L2)…

Q: A car moves at a constant speed of 50 kmh- on a horizontal road. The work done by the driving force…

A:

Q: (!) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. R2 The emf source, E = 2.4 V,…

A: Given that----- E = 2.4 V. R1 = 2.2 ohm.   R2 = 5.4 ohm. C = 5.3 micro F. Question ❓ B) What is…

Q: 1. A rod with an unknown charge attracts a plastic ball. Which one or more of the following might…

A: When the rod of unknown charge is brought closer to the ball, then electrons on the ball tends to…

Q: A charge of 10- 10 C between two parallel metal plates 1 cm apart experiences a force of 10-5 N. the…

A: Given: The magnitude of the charge (q) is 10-10 C. The distance (r) between the two parallel metal…

Q: 2- A velocity vector is 20 m/s South 60° East. What are the components of this vector

A: Given:  Velocity vector: 20m/s South 60∘ East. To determine: Components of vector

Q: The energy content of a fully charged 12 V storage battery of capacity 50 A-h is О а. 36 J b. 0.60kJ…

A: Energy content of a storage battery= E= Voltage×charge passed voltage= 12 V charge passed= 50 A h =…

Q: Two equal charges attract each other with a force of 1.0 x10-5 N. When they are moved 4 mm farther…

A: Given data: Initial force, F1=1.0×10-5 N Final distance, F2=2.5×10-6 N Initial separation between…

Q: Please help, thank you.

A:

Q: A 50 microfarad capacitor has a potential difference of 8.0 V across it. Its charge is O a. 4x10 -3…

A: Given data: Capacitance of the capacitor C= 50mF=50×10-6F Potential difference V=8 V

Q: ceR₁ 242 resistor , parallel

A: Given: Total resistance is 6 ohm Resistance 1 is 24 ohm

Q: A container has a vertical tube, connected to it at its side, as shown in the figure. An unknown…

A: Given height of column of oil hoil = 20 cm = 0.2 m Density of oil ρoil = 900 kg/m3 radius of small…