5.2 Suppose you are in a flat, matter-only universe that has a Hubble constant Ho = 68 km s-1 Mpc-1. You observe a galaxy with z = 1. How long will you have to keep observing the galaxy to see its redshift change by one part in 106? [Hint: use the result from the previous problem.]

Q: Using energy diagrams, find the Ws of three fermions of the observed energy segment, whose Gs is 6.

A: Given: The number of fermions N=3. The ground state of the q=6. To find: The total possible microsta...

Q: A copper sphere of surface area 300 sq cm and at a temperature of 427"C is plcec enclosure maintaine...

A: To find-Rate at which heat is being lost by this sphere dQdt=?Given-e=0.6σ=5.7×10-8S.I. UnitsA=300 c...

Q: An 8.00-cm-diameter, 370 g solid sphere is released from rest at the top of a 1.50-m-long, 20.0° inc...

A: Given that,The diameter : d = 8 (cm) = 0.08 (cm)The mass : m = 0.370 (kg)The length : l = 1.50 (m)Th...

Q: (a) If a flea can jump straight up to a height of 0.440 m, what is its initial speed as it leaves th...

A: Given that, Maximum height, hmax=0.440 mBy using kinematics equationv2=u2+2ghmax         Equation 1w...

Q: An optical fibre core and cladding refractive indices are 1.45 and 1.44 respectively. Compute its nu...

A: Given that,Refractive index of core, nCore=1.45Refractive index of cladding, nclad=1.44We know that,...

Q: A stone from a slingshot is moving at a speed of 367 m/s when it embeds into a tree. The stone penet...

A: Since, the two given questions are not interlinked, a solution for the first one is provided here. P...

Q: the electrical force on A due to B has a greater magnitude than the gravitational force on B due to ...

A: Solution: An object which has only mass can only experience a gravitational force. Similarly, the ob...

Q: Question-3: In the above diagram, the magnitude of the electric field at point A is E. What is the e...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: A car generator turns at 400 rpm when the engine is idling. Its 300 turn, 5.1 cm by 8.15 cm rectangu...

A: Given that,n = 400 (rpm)Number of turns : N = 300Here we need to find magnetic field :Now,As we know...

Q: 6) A 65-kg football player running to the right at 8 m/s is tackled by an 86-kg player on the opposi...

A: Let consider,Sign Convention:-Take right as positiveand left as Negative.Given that,Mass, m1=65 kgVe...

Q: Illustrate how scalar and vector potentials are not unique (an infinite number of potentials can yie...

A:

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N · m /C. vacuum permitt...

A: Given, Radius, R=7.6 cmCurrent, i1=-5.4 AVelocity, v→=2.00j^ m/s The electron is at a distance, d=6....

Q: 2-) Calculate the resulting CO2 concentration in the atmosphere 30 years from now assuming that we w...

A: Assume the following terms. World Annual Energy Requirement: 150000 TWh (includes time averaging ove...

Q: A laser produces light of wavelength 525 nm in an ultrashort pulse. What is the minimum duration of ...

A: Given, λ=525 nm

Q: What are the different flow pattern of solids are seen when solids flow o

A: The different flow patterns seen when solids flow out of a bin can be categorized as 1) Funnel Flow:...

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of 4...

A: Given that,Time taken to push the block : t = 1.5 (sec)The mass : m = 28 (kg)The displacement : ∆x =...

Q: When 80 litres of a gas at 27°C and 10 atmospheres is reduced to 50 litres by increasing the pressur...

A: We will answer the question by using ideal gas equation. The details are as below.

Q: A battery of 12 V and internal resistance (r) is connected to a load resistor R= 20. The potential d...

A: Given that,Voltage : V = 12 (V)Resistance : R = 2 (Ohm)Potential difference = 10 (V)Here we need to ...

Q: When 80 litres of a gas at 27°C and 10 atmospheres is reduced to 50 litres by increasing the pressur...

A: We have to find- Final pressure on the gas (P2)=? Provided data is given as- Initial volume of gas (...

Q: 1. For the following continuous time signals, determine the fundamental angular frequency w, and the...

A: 1. (a) x(t)=2 cos23t+sin14tx(t)=2ei2/3t+e-i2/3t2+sinei1/4t-e-i1/4t2ias we know T=2πωT1=2πω1=2π2/3T2=...

Q: Which of the following statements is true for an isentropic steady-flow process P- a. P1 b. Work = -...

A: Isoentropic steady flow means entropy remains constant. As We have change in entropy is zero, change...

Q: 2. Specifying free space conditions, develop the integral and differential forms of Maxwell's third ...

A: According to the law, the total outward electric flux through any of the closed paths is equal to th...

Q: A string is stretched string with fixed ends x = 0 and x = l is initially at rest in its equilibrium...

A: Using wave equation :  ∂2y∂t2=a2∂2y∂x2 The boundary conditions of the string are : 1. y(0,t)=0, for ...

Q: We consider a particle of mass m that has a (dimensionless) position ¤(t) E R on a one-dimensional t...

A: Disclaimer: Above is an example of a multiple-part question. It is not indicated which part to be so...

Q: A point charge causes an electric flux of -1.0 x 10° Nm?/C to pass through a spherical Gaussian surf...

A: Electrostatic.

Q: Q3.2. if the hexagonal lattices "four-index system" [2 111] what would be the three-index system for...

A:

Q: Calculate the maximum speed at which a car can be driven safely along a curved road of radius 40 m b...

A: To find-Maximum speed (v)=?Given-r=40 mg=9.8 m/s2θ=200

Q: A sound wave in a solid has a frequency of 12.0 kHz and a wavelength of 0.333 m. What would be the w...

A: Given that,Frequency of solid wave : f = 12 (kHz) = 1200 (Hz)Wavelength : λ = 0.333 (m)Here we need ...

Q: 6 2 www 31. 20 2 12 10Ω. 20+ ds V 30 Ω

A: Given:

Q: A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and th...

A: Given that,Mass of the ball : m = 1.2 (kg)Initial speed : vi = -25 (m/sec)Final speed : vf = 10 (m/s...

Q: The radiator of a room contains 10 kilogram of water. If the water gives off 50,000 calories of heat...

A: The temperature  drop in the temperature of waterΔT. Given, mass of waterm=10 kg=10×1000 g=10,000 gH...

Q: How far can a cyclist travel in 1.5 hours (h) if his average speed is 12 km/h?

A: Concept: To Determine the distance travelled by the cyclist we will use the Formula Distance= Speed×...

Q: Suppose that you trying to determine the age of a particular rock. The rock contains a form of potas...

A: Radioactivity.

Q: steady winds at a speed of 8.5 m/s. The wind energy per unit mass is. less than 30 greater than 30 e...

A: Given Wind speed (v) = 8.5 m/s Determine, the wind energy per unit mass, as following below.

Q: What is Maximum likelihood and why do we do it. Can you also explain Loglikelihood in Maximum likeih...

A: The likelihood function expresses the joint probability of the observed data as a function of the st...

Q: A ball A travelling at velocity ui strikes another ball B which is travelling in the opposite direct...

A:

Q: QUESTION 2 A particle moves through 3-space in such a way that its acceleration is a(t)=8sin 2ri +8c...

A:

Q: Its ok if short explanation just do it fast I need it now Explain how tension is related to one of N...

A: Explain how tension is related to one of Newton's laws. 

Q: rature of the ho For Cn : a =-

A: Given as, Cu⇒a=0.6mv,b=0.008mvkCn⇒a=-20mv,b=-0.056mvk

Q: Obtain the resonant frequency wr of a series LCR circuit with L = 2.0 H, C = 32 µF and R = 10 2. Wha...

A: Given-Inductance, L=2.0 HCapacitance, C=32 μF=32×10-6 FResistance, R=10 ohm  

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N m2 /C². Vacuum permiti...

A: Given, A charged particle in magnetic field.

Q: During a heating process, the temperature of a system rises by 10°C. this rise. *.?in temperature in...

A: Given the temperature in °C which is Celsius to convert into Fahrenheit    °C to °F°F = x °C x 95 + ...

Q: Aheating element using nichrome connected to a 230 V supply draws an initial current of 3.2 A which ...

A: Given that,Supply voltage, V=230 VoltInitial current drawn, I1=3.2 AInitial resistance, R1=VI1=230 V...

Q: (a) Three resistors 2 2, 4 2 and 5 2 are combined in parallel. What is the total resistance of the c...

A: (a)There are three resistors of resistances,R1=2 ohm,R2=4 ohm,R3=5 ohmThey are connected in parallel...

Q: lenoids produce magnetic fields that are relatively intense for the amount of current they carry. To...

A: Using formula for magnetic field of a solenoid and magnetic due to current carrying wire we can solv...

Q: (b) Explain one of the techniques used to measure the level by using pressure-measuring devices. (c)...

A: The pressure within the Earth's atmospheric is known as barometric pressure.        

Q: A 56 kg student traveling in a car with a constant velocity has a kinetic energy of 1.3 104 J. What ...

A: Given that,Mass of student : m = 56 (kg)Kinetic energy : K.E. = 1.3×104 (J)Here we need to find the ...

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N · m² /C¥acuum permitiv...

A: Given, B1=5.8 TB2=8.3 Tq=9.7 μCm=0.037v=41 m/s

Q: Two speeding lead bullets, one of mass 12.0 g moving to the right at 300 m/s and one of mass 8.00 g ...

A: Given that:Mass of bullet-1, m1=12.0 g =0.012 kgMass of bullet-2, m2=8.0 g =0.008 kgInitial velocity...

Q: a. Consider a light ray propagates from air medium to the medium of refractive index (0 + 2). If the...

A: