What is the orbital period of a bit of matter in an accretion disk that is located 4 ✕ 105 km from a 87 M black hole? Use the circular orbit velocity formula.

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A: Given: The mass of all the boxes are 1.2 kg each. The static coefficient of friction between boxes i...

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A: Given: Pressure=1.40 X 107 N/m2

Q: Just after launch, the space shuttle takes 8.0 sec to reach a speed of 160 km/hour. During this phas...

A: The speed is 160 km/hour or 44.4 m/s. the acceleration is, a=v-uta=44.4 m/s-0 m/s8.0 sa=5.55 m/s2

Q: Please answer very soon

A: Normalizing the trial wavefunction, A2∫-∞∞ψ2dx=1A2∫-∞∞e-2ρx2dx=1A2π2ρ=1A=2ρπ14 Hence, the trial wave...

Q: How long did the cannonball rise? 40 What was the cannonball's total flight time? At what speed does...

A: The canon ball will undergo a projectile motion. Given , Maximum height, h=40.0 m Horizontal distanc...

Q: 1. An object is thrown vertically upward from the ground and is seen to pass the top of a building w...

A: Given information: The height of the building, s=30 m The velocity of the object when it passes the ...

Q: Objects with masses m1 = 15 and m2 = 10 are connected by a light string that passes over a frictionl...

A: (a) The free-body diagram is shown below: Since the masses m1 and m2 are connected by a string, the...

Q: A sample counted for 10 minutes resulted in 1,000 counts. The background count was 250 counts over a...

A: Solution:   Given that,   Gross sample counted = 1000 for 10 min Background count =250 for 10 min

Q: Interstellar extinction dims starlight by about 1 magnitude per 1000 pc. What fraction of photons su...

A: The apparent visual magnitude of star is changed by 1 magnitude, produces a flux ratio of fifth squa...

Q: A rod of length 70 cm and mass 3.4 kg is suspended by two strings which are 40 cm long, one at each ...

A: Take the moments with respect to the left end the point A. (suppose tension T acting at the end A), ...

Q: A uniform magnetic field of induction B = 1T exists in a circular region of radius 13 R V 2 R =, -т ...

A: Let R denote the radius of both the loop and the circular region of the magnetic field, t denotes th...

Q: Unless otherwise stated, assume the density is constant

A: Rotational inertia about on end of the rod I=∫0Lx2dm=∫0Lx2λdx=∫0Lx2λ01+xLdx

Q: While studying the spectrum of a gas cloud in space, an astronomer magnifies a spectral line that re...

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Q: Two thin parallel slits that are 0.0116 mm apart are illuminated by a laser beam of wavelength 585 n...

A: Part (a) Given: The distance between two slits is d=0.0116 mm. The wavelength of the light is λ=585...

Q: A 15.0 kg fish swimming at 1.10 m>s suddenly gobbles up a 4.50 kg fish that is initially stationa...

A: Part-a Given: The mass of the large fish M = 15 kg. The mass of the small fish m = 4.5 kg. The init...

Q: Photorefractive keratectomy (PRK) is a laser-based surgical procedure that corrects near- and farsig...

A: (a) It is in the ultraviolet region of the electromagnetic spectrum. (b) The expression for the ener...

Q: 1. A basket coffee filter is very light and has a large drag coefficient. It is possible to stack se...

A: The drag force (F) that the air applies on the coffee filter depends on the filter’s speed (v), its ...

Q: Describe several applications of magnetic damping.

A: (1)Magnetic damping of this sensitive balance slows its oscillations.    Magnetic damping is a simpl...

Q: A block of concrete is dragged across the ground. List the non-conservative work being done in decre...

A: The most acceptable answer is Heat. Due to dragging there is Heat is generated.

Q: The reaction 2H + 2H --> n + 3He (where n is a neutron) is one of the reactions useful for produc...

A: Part (a) The mass of hydrogen isotope is MH=2.014102 u. The mass of helium isotope is MHe=3.016029 ...

Q: A cylindrical glass rod has index of refraction 1.52. It is surrounded by air. One end is ground to ...

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Q: Consider the region inside the sphere x2 + y² + z2 = 9, but outside the cone z = r. If the density i...

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Q: PROBLEM 1 Consider a ld oscillator subject to an additional constant force F, so that the potential ...

A: Wavefunction obtained for a normal harmonic oscillator is, ψnx=12nn!mωπℏ14e-mωx22ℏHnmωℏx Energy is, ...

Q: A painter drops a 2.50 kg can from a height of 10.0 m. What is K (in Joules) at a height of 4.46 m?

A:

Q: An object is released from rest at the top of a ramp. If the ramp is frictionless, does the object’s...

A: The kinetic energy at the bottom is equal to the potential energy at the top. 12mv2=mghv=2gh The spe...

Q: A 55kg student runs up a flight of stairs in 20s. The distance and height of the stairs are shown. N...

A: Initially, the student is at rest, and height also zero. So initial energy is zero. a. Initial energ...

Q: You throw a baseball at an angle of 30.0 above the horizontal. It reaches the highest point of its ...

A: Part (a) Given: The angle at which the baseball is thrown is θ=30.0∘. The time taken to reach the h...

Q: 1. Define packing fraction.mention some example? 2. The primitive cells in reciprocal space is known...

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Q: If the two ends of a rope in equilibrium are pulled with forces of equal magnitude and opposite dire...

A: The expression for the force can be written as: F=ma Here, F is the force, m is the mass of the obje...

Q: An elevator weighing 4.56 N is supported by a steel cable. What is the tension in the cable when the...

A: When an object moves upwardswith acceleration 'a' , effective value of g is   g'   =   g+ a   Givent...

Q: In a laboratory experiment on friction, a 135 N block resting on a rough horizontal table is pulled ...

A: Hi. Since you have posted a question with multiple subparts and not specified which subparts you wan...

Q: For left-handed and right-handed quarks, what is the left-handed and right-handed coupling to Z boso...

A: Answer: Particles with different charges are considered as different particles.  In the same way, we...

Q: Are the nuclear spins of the following nuclei integral or half-integral: 3He, 6Li, 7Li, 18F, 19F?

A: Given information: The nuclei are He3, Li6, Li7, F18, and F19

Q: Consider a situation where blood flows through a section of a horizontal artery that is partially bl...

A: The pressure is defined as the ratio of the force and the area. According to the Bernoulli theorem, ...

Q: Calculate the formula weight of (a) Al1OH23, (b) CH3OH,and (c) TaON.

A: The formula weight of (a) Al1OH23, (b) CH3OH, and (c) TaON is to be determined as below, (a) The Al(...

Q: In an experiment involving the photoelectric effect, if the intensity of the incident light (having ...

A: According to the experimental laws of the photoelectric effect, the maximum energy of the ejected el...

Q: The figure below shows an overhead view of a room of square floor area and side L. At the center of ...

A: Solution:   From the given Figure,   a) The speed of the spot of light on the wall is at distance x ...

Q: Problem 3Given: A submarine weights 20,000 N in air.Required: Determine the displaced volume of the ...

A: Given: The weight of the submarine is 20000 N. Introduction: Archimedes principle states that any bo...

Q: M, a solid cylinder (M=1.83 kg, R=0.115 m) pivots on a thin, fixed, frictionless bearing. A string w...

A: Given: The mass of solid cylinder is M=1.83 kg. The radius of the cylinder is R=0.115 m. The force ...

Q: The recommended daily caloric intake is 2000 calories (8,400,000J). This is because this is the same...

A: Solution:   It is given that,   The recommended daily caloric intake is 2000 calories (8,400,000J) w...

Q: Suppose that you are traveling onboard a spacecraft that is moving with respect to the earth at a sp...

A: the time required for one breath is, t0=60 s8.0 t0=7.5 s The time measured in earth frame is, t=t01-...