Find the minimum acceleration needed for a maglev train to reach a speed of 430 km/h in 3.0 km, one tenth of the length of the 30-km track in Shanghai. Express your answer as a fraction of g, the free-fall acceleration near Earth. Would this acceleration be noticeable

Q: I only need help with b) and c). I know the answer to a) already.

A: The direction of the emf as shown in the fig below:

Q: Problem 5 If an object is thrown from ground level with an initial velocity v and an elevation angle...

A: Given that the speed can deviate upto 1 m. So, v=18±1 m/s α=π4±π12 lmean=(18)2sin(π2)9.8 =33.6 m    ...

Q: How many distinct (n, l, ml) states of the hydrogen atom with n = 3 are there? What are their energi...

A: There are 9 states , they are, {nlm}={300,311,310,31-1,322,321,320,32,-1,32,-2}

Q: The plank is a great way to strengthen abdominal, back, and shoulder muscles. You can also use this ...

A: Given: One athlete measured this weight 66.0% was supported by his forearms and by his toes is 34.0%...

Q: Why do we say that ∆t= h/(2 ∆E) is a lower-bound estimate of the lifetime of an atomic state? Why is...

A: According to Heisenberg's uncertainty principle, the product of the uncertainty of position Δx and u...

Q: 2) Rotational kinetic energy and Moment of Inertia A grindstone with a radius of 0.610 m is being us...

A: Given:-  Radius (r) = 0.610 m Linear speed (v) = 1.50 m/s Kinetic energy (K) = 13 J   Angular speed ...

Q: An engineer trying to determine whether or not her crane can lift loads (at the position shown). Her...

A: Solution:   It is given that to consider relative to the rotation point.    The torque is caused by ...

Q: It's a quantum mechanics question.

A: A parameterized state can be expressed as, Here β and α are polar and azimuthal angles which charac...

Q: A tiger saw a deer 30 meters away, so he watched him for a period of 6s, then he speeds up towards h...

A: Let the tiger be at the origin and the deer be at a distance of 27 meters. When the tiger catches up...

Q: Advanced Physics Question

A: a. Lu was running in a straight line in the positive x- axis with a decreasing velocity. At time t=1...

Q: If the potential V(x) for a one-dimensional system is independent of time, show that the expectation...

A: If the potential is independent of time, then the wavefunction can be written as ψx,t=ψxe-iEtℏ Here,...

Q: *PLEASE SOLVE #4, #5, and #6* Make a drawing of the path of an object in circular motion at constan...

A:

Q: Part C and D please

A: c. Align the optic axis of QWP with an angle θ≠45o, with the direction linearly polarised light, the...

Q: 1) A car with tires of radius 32cmdrives on highway at 0.447m/s. what is the angular speed of the ti...

A: Given speed of the car v= 0.447m/s And radius of its tyres r=32cm Or in SI unit r=0.32m

Q: Find the position of the center of mass of the system of the sun and Jupiter. (Since Jupiter is more...

A: The center of mass from the center of the Sun is μ=msrs+mjrjms+mj The orbital radius of the Sun is 0...

Q: 1. Sketch a graph of the magnitude of the kinetic frictional force on a sliding block as a function ...

A:

Q: A spherical air bubble in water can function as a lens. Is it a converging or diverging lens? How is...

A: A spherical drop of air bubble can act as a converging lens whose focal length is proportional to th...

Q: A crate is sitting on a horizontal surface where the coefficient of static friction is 0.60. A worke...

A: Options which are true - (A) As the crate is not moving so only static friction of coefficient will ...

Q: In one day, a 75 kg mountain climber ascends from the 1500 mlevel on a vertical cliff to the top at ...

A: Given data: The mass of the climber is m=75 kg. The initial height of the climber on the first day ...

Q: Part B What is the electric field for 4 cm <r< 5 cm? Give your answer in terms of the variable r.

A: (Part B) Given: The line charge density of the wire is 3 nCm. The line charge density of the metalli...

Q: In the first stage of a two-stagerocket, the rocket is fired from the launch pad starting from rest ...

A:

Q: You have the excited states of He with the configuration 2p1 3p1, in which the two electrons have di...

A: Hi. Since you have posted multiple questions and not specified which question you want us to solve, ...

Q: The Stanford Linear Accelerator accelerated electrons to an energy of 50 GeV. What is the de Broglie...

A: The energy is too huge as compared to the rest mass energy of electron. the de Broglie wavelength is...

Q: Find the most probable radius for the electron of a hydrogen atom in the 1s and 2p states.

A: 1s state corresponds to n =1 and l =0. Radial wavefunction is, R10=2a03e-r/a0 Probability density is...

Q: Solve both

A: The energy required to raise the temperature by 1 degree celsius of 1 gm of material is called its s...

Q: A cube of oak wood with very smooth faces normally floats in water. Suppose you submerge it complete...

A: There is no water under the face means no upward force and all the forces including gravity towards ...

Q: An astronaut, whose mission is to go where no one has gone before, lands on a spherical planet in a ...

A: the displacement of the rock is, s=12g't21.90 m=12g'0.480 s2g'=16.5 m/s2

Q: Does an object moving in a circle accelerate?  If so, does the magnitude of the acceleration change ...

A:

Q: You drop a solid sphere of aluminum in a bucket of water that sits on the ground. The buoyant force ...

A: The floating and sinking of an object in fluid is depends on their relative density and the amount o...

Q: As a city planner, you receive complaints from local residents about the safety of nearby roads and ...

A: From work-energy principle W=ΔKfΔx=12mv2μmgΔx=12mv2Δx=v22μg

Q: The radius of the orbit of a moon of a given planet is equal to twice the radius of that planet. Den...

A: The time period t taken by the moon to complete one orbit of the earth is given by: t=2πr32GM .........

Q: A spaceship moves radially away from Earth with acceleration 29.4 m/s2 (about 3g). How much time doe...

A: Given: The acceleration of the spaceship is a=29.4 m/s2. The wavelength of light received is λ=589 ...

Q: A wildlife photographer uses a moderate telephoto lens of focal length 135 mm and maximum aperture f...

A: Part (a) Given: The focal length of lens is f=135 mm. The maximum aperture of lens is D=f4.00=33.75...

Q: A wagon wheel is constructed as shown in Fig.. The radius of the wheel is 0.300 m, and the rim has m...

A: Given: A wagon wheel is constructed as shown in Figure below. The radius of the wheel is 0.300 m, an...

Q: A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above th...

A: The given situation can be seen as,

Q: Advanced Physics Question

A: The electric potential at the center of the cylinder is given as                                    ...

Q: A 5000 kg spacecraft is in a circular orbit 2000 km above the surface of Mars. How much work must th...

A: Given: The mass of spacecraft is m=5000 kg. The radius of circular orbit is rc=2000 km. The radius ...

Q: In a Michelson interferometer, a Kr source emitting radiation at 606 nm is used. When one of the mir...

A: Part-a The wavelength of the Kr source λ0 = 606 nm. The number of fringes n = 948. The wavelength o...

Q: The equation of a fission process is given in which 235 U is struck by a neutron and undergoes fissi...

A: Let n denotes the neutron, mn denotes the mass of a neutron, mU denotes the mass of the uranium, mBa...

Q: Two blocks of masses m1 =4kg &amp; m2 =2kg are placed in contact with each other on a frictionless, ...

A:

Q: A therapist tells a 74 kg patient with a broken leg that he must have his leg in a cast suspended ho...

A: Here, for fractured leg thigh be the first particle, lower leg to be second particle and caste is co...

Q: An object is 18.0 cm from the center of a spherical silvered-glass Christmas tree ornament 6.00 cm i...

A: Given: The distance of object from tree is d=18.0 cm. The diameter of the lens is D=6.00 cm. The f...

Q: A 45.0 kg crate of tools rests on a horizontal floor. You exert a gradually increasing horizontal pu...

A: Part (a) Given: The mass of crate is m=45.0 kg. The force when crate begin to move is Fm=313 N. The...

Q: Sir Lancelot rides slowly out of the castle at Camelot and ontothe 12.0-m-long drawbridge that passe...

A: Consider the case when the Lancelot is at the end of the bridge τnet=0Tl-Wbl2-Wll=0Tl-mbgl2-mlgl=0T=...

Q: An amusement parkride consists of airplane-shaped carsattached to steel rods.Each rod has a length o...

A: Given data: The length of the each rod is L=15.0 m. The cross-sectional area of the road is A=8.00 ...

Q: Help me fast....I will give Upvote

A: The torque (τ) is given by, Here, r denotes the length of the point of the applied force with the p...