3. The Shanghai maglev train connects Longyang Road to Pudong International Airport, a distance of 30 km. The journey takes 8 minutes on average. What is the maglev train's average velocity?
Q: If two resistors with the resistance of 5 ohms and 7 ohms are connected in series, calculate the…
A: Given that-Resistance, R1= 5 ΩResistance, R2= 7 ΩBoth resistors are connected in series.
Q: How much does it cost (in P) to operate a 670-W split-type inverter air conditioner for 8 in 30…
A: We have-Power, P= 670 Watt=0.67 KWatt.Time, t= 8 h per dayTotal days= 30Hence, time 't'=30×8h= 240 h
Q: 1. The density of a 12kg cube of Gold is 19,300 kg/m³. What would be the density of a 8 kg cube of…
A:
Q: Q2. Using the constraint of Pv=nRT=constant which is applied for isothermal compression, discuss the…
A: (a) The ideal gas obeys the equation Pv=nRT ..................... (1) where P is the pressure, v is…
Q: pherical polar coordinates mere of radius R, whose fla
A: Take that mass of hemisphere can be M and density can be ρ=MV. Hemisphere's volume can be V=23πR3.
Q: A railway engine and a car are moving on parallel tracks in opposite directinos with speeds of…
A: We need to compute here, The frequency of sound heard in car- (i) when the car and engine are…
Q: 10) Three vectors A, B, and C, are shown in the figure. a) Determine the components of these…
A: All physical quantities are classified as either scalars or vectors. We find the rectangular…
Q: The maximum magnitude of the magnetic field of a plane harmonic wave that propagates in vacuum is B…
A: Solution:-Given thatmaximum magnitude of the magnetic field (B∘)=2×10-6 T
Q: = A 4.1 MC point charge is placed on the x-axis at the point X₁ -22.5 m. A second, 2.7-MC point…
A:
Q: A double-slit experiment is used to calculate the wavelength of a light source. The first order…
A: The double-slit experiment demonstrates the wave-particle duality of matter and light. In the…
Q: A solid cylindrical conductor of radius a and charge Q is coaxial with a cylindrical shell of…
A:
Q: A solid sphere made of conductive material, radius 2. has a positive charge amount of 2Q A spherical…
A:
Q: The variable Vx (V x B) is measured in: O none of the others O kg s² A-1 O kg m-¹ s-3 A-1 O kg m-2…
A: Given that, The variable is ∇×∇×B Considering B is the magnetic field Since in free space…
Q: A plane electromagnetic wave is the superposition of two independent orthogonal plane waves and can…
A: since the phase difference between x and y components is π therefore the resultant wave form an…
Q: Which characteristic is a disadvantage of hydroelectric plants? O Low net energy Large land…
A:
Q: ♥ A hollow metal ball 10 cm in diameter is given a charge of 1 x 10-2 C. What is the intensity of…
A: We need to find-Electric intensity (E)=?Given that-Diameter of ball (D)=10 cm=0.1 mQ=1×10-2 Cr=20…
Q: Two metal spheres with the same radius the same charge and mass are suspended from two insulating…
A: Consider a free-body diagram for the given question, Here, Fe is the electrostatic repulsion force,…
Q: A 65.0-kg runner has a speed of 5.20 m/s at one instant during a long-distance event. What is the…
A: Given Mass m = 65 kg Velocity v = 5.20 m/s Find the runner kinetic energy, as following below.
Q: A proton, with a velocity of 3.4 x 106 m/s. enters a magnetic field perpendicular to the field…
A:
Q: Please answer all the questions in number 5 by showing the complete solution. Specify the reference…
A: The speed of the rocket ship is 0.8c relative to earth. The speed of the missile fired in the same…
Q: 3. Consider a pendulum of mass m suspended by a massless spring with unextended length b and spring…
A:
Q: What's the angle of the resultant vector, measured counterclockwise from the positive x-axis? F1…
A: The two vectors in the given problem are F1=-234i^ NF2=264j^ N The first vector can be re-written as…
Q: 1. A steel wire of mass 0.400 kg and length 0.640 m supports a 102-kg block. The wire is struck…
A: We have following values-Mass of the wire, m=0.4 kgLength, L= 0.640 mMass of the suspended block, M=…
Q: A 1.5-V emf source has an internal resistance of 0.50 Q. After it has been connected to a load with…
A:
Q: A uniform and stationary magnetic field is perpendicular to the plane containing a circular metallic…
A: magnetic field passing perpendicularly through the plane of the coil=B→ Area of the coil=A…
Q: A basketball is thrown towards a hoop that is three feet higher in the y direction and 25 feet away…
A: Given: The vertical distance is 3 ft. The horizontal distance is 25 ft. The…
Q: Question 3: A ball is dropped from a certain height. It took the ball 15 seconds to reach the…
A: Given data, Ball is dropped so initial velocity u = 0 m/s Time t = 15 sec Acceleration due to…
Q: The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are…
A: The power dissipated by a resistor is given by the formula P=V2R where, V=potential…
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: Energy is stored when current passed on application of voltage. The electric power is given by P=VI…
Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a…
A:
Q: Q A spherical conductor, of radius a, carries a charge Q (see Fig. 4). It is surrounded by linear…
A: Hint : using the displacement vector and apply it for free charges.
Q: In a certain region, J = (2yax + xzay + z3az ) sin 104t A/mfind ρv if…
A: The expression for the current density is, J→=2yx^+xzy^+z2z^·sin104tA/m
Q: The electrostatic energy of a flat capacitor with discoidal plates having a radius of 2 cm, spaced…
A: Given data : Capacitor plate radius r = 2 cm = 2 × 10-2 m Distance between capacitor plates d =…
Q: A known accurate measure of physical quantity termed as a standard. These Standards of Measurement…
A: International standards:An international agreement defines what constitutes an international…
Q: 7. You are on an elevator that is plummeting toward the ground at 30 m/s and you jump up right…
A: Motion is said to be a relative term. What one sees a motion is purely his point of view and is…
Q: A 4,450,0 kg block of ice at 0 degrees * C is added to a picnic cooler. How much heat will the ice…
A: Given that :Mass of ice block : m= 44500 kgWe know that:During the first order transition,…
Q: A flashlight, which uses a 3.0 V battery, is turned on for 2.0 minutes. If the current in the…
A: Given that-Battery Voltage, V= 3.0 VoltTime, t= 2 minutes= 120 secondsCurrent, I= 100 mA=0.100 A
Q: A condeutee having change density condadõe 120 μc/m² is Burrounded by a medium having dielectric…
A: We need to find Electric intensity (E)=? Given that- Surface charge density σ=120 μC/m2σ=120×10-6…
Q: B. Convert the following: 1. 40 mm to m 2. 240 s to min 3. 2.4 x 10-3 km to mm 4. 3days to minutes…
A: 1. 40 mm to m 1 mm = 10-3 m 40 mm = 40 x 10-3 m = 0.04 m 2. 240 s to min 1 sec =1/60 = 0.0166667…
Q: A 62.1 kg runner has a speed of 4.30 m/s at one instant during a long-distance event. How much net…
A: Given Mass m = 62.1 kg Initial velocity v1 = 4.30 m/s Final velocity v2 = v1× 3 =…
Q: A string is compressed by 2 mm by a force of 8 N and a condenser is charged through a potential…
A: Solution:-Given thatcompression in string (δ)=2 mm=0.002 mForce (P)=8 NPotential difference (∆V)=200…
Q: The magnetic permeability of vacuum, indicated with the symbol 40 is measured in
A:
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We know that-Power= Voltage x Current Equation 01Where, Voltage, V= 115 MV=115×106 VCurrent, I=…
Q: The y-component of the force F which a person exerts on the handle of the box wrench is known to be…
A:
Q: Exercise 5.8 Prove the following relation: [Îz, sin(29)] = 2iħ (sin² q - cos² ), where is the…
A: To prove: Prove the following relation L^z,sin2φ=2iℏ(sin2φ - cos2φ ) Where φ is the azimuthal angle.…
Q: A flow of 50 m3/s of air exits a manufacturing facility, containing particles whose drift ve m/s.…
A: Given: The speed of the air 50 m3s, The drift velocity of the particles is 0.121 ms The efficiency…
Q: If a car has a suspension system with a force constant of 5.00 x 104 N/m, how much energy must the…
A: Given that-Force constant, k= 5.00×104 N/mMaximum displacement of oscillation, x=0.0750 mWe know…
Q: A washing machine requires a steady current of 10.0 A. If it is connected on a 220-V line, (a) how…
A: We know that:Energy= Power × Time Eqn 1we can write, 1 KWh=…
Q: Q.3 ;Determine the resultant of forces system shown in Figure below and locate it with respect to…
A: Givennaming the forces starting from closest to point AF1 = −10 kNF2 = −90 kNF3 = +50 kNF4 = +20 NF5…
Q: ne amplitude of the electric field at a point P for a given electromagnetic wave is 570N/C. What is…
A: The electric field of the electromagnetic wave at a point is given as electric field = speed of…
Step by step
Solved in 2 steps