A galaxy has a visible mass of 10 Mo and a flat rotation curve extending to 25 kpc at the level of 150 km s. What is the ratio of its dark-matter mass to its visible mass?
Q: Q if the time derivative of the probability of a particle being 3K^2 h/m Calculate the probability c...
A: Since time derivative of particle probability is not zero, that is .................1 So, the wave ...
Q: How “Utilitarianism is close to the engineering approach of progression”? Identify how the fault lin...
A:
Q: An electron is accelerated from rest through 2200 V and enters a uniform magnetic field of 1.5 T. Fi...
A:
Q: Consider a medical defibrillator that uses a 120 microF capacitor and is charged-up to store 350 J o...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: If his arms are capable of exerting a force of 1250 N on the rope, what is the maximum speed he can ...
A: Newton's Second Law of Motion According to Newton's Second Law of motion, the rate of change of mome...
Q: Q/Let a uniform surface charge density of 5nc/m be present at z= 0 plane, auniform line charge dausi...
A: Draw a line , sheet and points in cartesian coordinates where N(1,2,3) and the net potential is V=0 ...
Q: State the position of a projectile (both (x,y)) every 0.1 s from 0 to 0.6 s. It has an initial velo...
A: Concept used: An object in projectile motion is under the influence of gravity alone. The gravitatio...
Q: In which of those systems can entropy be decreased under certain conditions? Select one: a. Closed s...
A: Entropy of a open system may decrease under certain conditions. If transition of phase occurs during...
Q: 01: The attenuated average output power of a pulsed Ti:sapphire laser beam is 1 mW of the pulse widt...
A: Given: The average power of laser is Pavg=1 mW. The pulse width is τ=10 fs. The repetition rate of ...
Q: Compute the intrinsic line-width (AX) of the Lyman a line (corresponding to the n = 2 to n = 1) tran...
A: Let ΔE denotes the transition energy, n1 and n2 denotes the energy states, λ denotes the wavelength,...
Q: give at least three observations from the plot.
A: The observations from the above chart are as follows: (1) The curve lines in blue color represent t...
Q: Please check answer in the picture containing the question before submitting the solution.
A:
Q: 1. Airplane takeoff from an aircraft carrier is assisted by a steam-driven piston/cylinder with an a...
A:
Q: 6. Determine the resultant of the forces of the bolt. F, = 80 N F = 150 N 20 30° 15° F = 100 N F = 1...
A: First we have to resolve all the forces in horizontal and vertical direction. Sum of the horizontal ...
Q: A particular motor can provide a maximum torque of 110N. m. Assuming that all of this torque is used...
A: Given: Torque=110N m=10kg r=3m Moment of inertia(I)MR22=MR22=10×g2 =45kg m2
Q: . Air is supplied to a converging nozzle from a large reservoir, where the pressure and temperature ...
A:
Q: Please answer the last three questions of the problem.
A: As mentioned in the question, parts (b), (c) and (d) are answered. (b) Force on the positive charge ...
Q: I am wondering if there is an equation I could use to convert a measurement in pixels to a measureme...
A: 1 cm = 10 mm 1 pixel = 0.0264583333 cm
Q: A positively charged particle enters the space between two charged conducting plates, with a constan...
A: Given two charged plate place parallel to each other with upper positive and lower negative sign. A ...
Q: Is this true or false? Internally, a heap is typically implemented as a BST that has the additional ...
A: Internally, a heap is typically implemented as a BST that has the additional ordering property that...
Q: What is the magnetic field at the center of a 50-turn circular coil with radius r= 0.5m and current ...
A:
Q: The figure shows a pendulum with length L that makes a maximum angle θ0 with the vertical. Using New...
A: In Simpson's rule or any other numerical method of integration, definite integrals are computed usin...
Q: The figure below represents positively charged particles in a uniform magnetic field. All the partic...
A: Force on a charge in a magnetic field is given by F = q(v×B) v is velocity , B is field F = qvBsinθ ...
Q: please do this carefully.
A: Direction cosines of a vector The direction cosines of a vector are defined as the cosine of the ang...
Q: A flower pot falls off a balcony. It takes 0.100 s to pass a window of height 1.25 m. From what heig...
A:
Q: A magnetic field points perpendicularly into the page. As shown, single square loop, moving at a con...
A: Emf is induced when loop enters the field and when loop leaves the field.
Q: 4. An electron revolving in the fourth excited hydrogen atom drops into second state and then to the...
A: solution of part a: The given values are: For First case Initial orbit of electron = ni = 4 Final...
Q: You leave for school in the morning, and walk a total of 2 km. It takes you 20 minutes to travel tha...
A: Given that Distance is d=2 Kmd=2×103 m and time t=20 minutest=20×60 st=1200 s
Q: You are using a transparent tube as an optical fiber in open air (nair = 1.00). You have calculated ...
A: Given : nair=1 θc=44.5° nclad=1.33 θincident=59.7° (a) Let the re...
Q: 4. A 7.00 mm letter A is viewed under a concave lens. The letter is 17.0 mm away from the lens and i...
A:
Q: In a newton's ring experiment the diameter of 5th dark ring is reduced to half of it's value after p...
A: Using the radius of the (bright) ring : rk =(2k -1) Rλ2n -(1)Here k denotes nth number of ring...
Q: 2. A plane-wave, monochromatic beam traveling in a medium with index of refraction nị is incident at...
A:
Q: In a Newton’s ring experiment the diameter of 5th dark ring is reduced to half of its value after pl...
A: The radius of the bright ring is given by rk=2k-1Rλ2n From the given information r1=2k-1Rλ2⋯⋯1 And r...
Q: The two vectors and in the figure below have equal magnitudes of 12.0 m and their angles are θ1 = 30...
A:
Q: A car moves in a straight line on the X axis from a point A, located at a position Xa = 10 [m] from ...
A: Diagram From the diagram ; The distance between B and C is, The distance between B and C is,Dista...
Q: Determine the angle (0) and the normal reaction (N) between the cylinder and the smooth horizontal s...
A: Given F=1000N f=500N C=600N
Q: Please show all work and highlight your answers. Thank you very much. Have a great weekend.
A:
Q: I am having trouble finding the current in the resistors, specifically the 3 ohm and 24 ohm resistor...
A: Consider the modified circuit diagram. In this step, we would simplify the circuit in the following...
Q: Let the following function: f(x) %3 3 х2— 10 х3+ 5х4 1. Express the derivative of f:f' (x). 2. Calcu...
A: Concept used: Derivate of polynomial is given by: ddxxn=nxn-1
Q: The intensity I of radiation after passing a distance x through a shield, falls off according to the...
A: given,I=I0eμxThe variable Z=lnIlnI =ln(I0eμx)=lnI0+μxlnI=μx+constant (lnI0 gives some constant va...
Q: Compute the intrinsic line-width (Δλ) of the Lyman α line (corresponding to the n=2 to n=1) transiti...
A: Let us first compute the uncertainty in the energy i.e. ΔE. The electron remains in the excited stat...
Q: 1.Find the angle of refraction: (a) when a ray of light is travelling from air to glass at an angle ...
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: Marvin uses a long copper wire with resistivity 1.681.68 x 10-8 Ω⋅m and diameter 1.00 x 10-3 m to cr...
A:
Q: A cell of mass (M) moves to the top and is attached to a Corona virus of mass (m) by a neglected thr...
A: (1) There are two generalized coordinates in this system. The human cell is constrained to move in x...
Q: Q2- A single square-thread power screw has an input power of 3 kW at a speed of 1 rev/s. The screw h...
A:
Q: A box weighing 10,000 kg is to be loaded on a 18-wheeler truck 5.0 ft high by means of a plank that ...
A: Relevant theory: Newton's second law states that the acceleration of an object is directly proportio...
Q: Q2: Disk A has a mass of 2 kg and is sliding forward on the smooth surface with a velocity when it s...
A:
Q: In a problem with a train and two observers, one (A) standing next to the rail while the other one (...
A: Introduction: Time dilation is the slowing down of a clock as determined by an observer who is in re...
Q: please solve this question physics
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...
Q: Q22. Given that the atomic mass of ,N is 14.003074u and that the sum of the atonmic masses of H and ...
A:
3 A galaxy has a visible mass of 10 Mo and a flat rotation curve extending to 25 kpc at the level of 150 km s. What is the ratio of its dark-matter mass to its visible mass?
Step by step
Solved in 2 steps
