M MV² dN F(V)dV : N -32v² exp( = 4,7(- `2RT 2RT AP(= where dN, the number of particles having a velocity between v and v+dv, V velocity of molecules, M moleculer mass of gase, T temperature

Q: If there is no observable edge to the universe, can we determine where its center of expansion is?…

A: Let’s explain by taking a simple example of a balloon analogy to explain the expansion of the…

Q: At the end of its life, a star with a mass of two times the Sun’s mass is expected to collapse,…

A: Let the mass of the star be denoted by m.Let the mass of the sun be denoted by msThe mass number A…

Q: Moving a protou through requins 5.4727 10 an eleehric 0-167OF work fies Petermive the Mag nitoe caf…

A: Charge on proton is given by  Q = 1.6 × 10-¹⁹ C Change in Electrical Potential energy of the proton…

Q: C 580 N 1330 N 1.2 m 1.2 m 1.8 m 1.5 m A The resultant of the reactions at B is nearest to: O 300N…

A: Given  Hb= 1330N and total force Ra + Rb =580  Or distance is given DC =1.2m and CA =1.5m and OB…

Q: Assume that the protons in a hot ball of protons each have a kinetic energy equal to kT, where k is…

A:

Q: Observations of neutrinos emitted by the supernova SN1987a place an upper limit of 20 eV on the rest…

A: The value of Lorentz factor is,

Q: How efficiency of cosmic radiation will be changed if cells/organism will be frozen at minus 80C for…

A: cosmic ray, a high-speed particle—either an atomic nucleus or an electron—that travels through…

Q: Change in kinetic energy is measured as O (mv)? O (1/2) (mv) O (1/2 )(mv²) O (1/2) (mv)2 O (1/2)…

A: Required:  Formula of change in Kinetic Energy

Q: In UARM and free fall Time t is always positive (+). *

A: Required : True or False.

Q: The critical mass density needed to just halt the expansion of the universe is approximately 10-26…

A: Given critical mass density needed to halt the expansion of the universe is ρcrirical = 10-26 kg/m3

Q: Given a manometer with tube diameter 0.6 cm and mercury length of 122 cm, the applied pressure is…

A: SOlution: Given that D = 0.6 cm L = 122 cmP1 = 15 cmP2 = 20 cmρ = 13.5 g/cm3μ = 0.016 g/cmg = 980…

Q: At what temperature will the ms sped of oxygen molecules become just sufficient for escaping from…

A: Rms velocity of gas molecules is given by,  vrms=3kBTm Given : kB=1.38×10-23 JK-1 Mass of oxygen…

Q: Holes are injected into n-type Ge so that at the sample surface Apo 1014 cm³. Calculate Ap (cm³) at…

A: GIVEN: ∆P0=1014cm-3tp=10-2sDp=49cm2/sx= 2mm or 2×10-1cm

Q: (II) A 65-kg person decides to lose weight by sleeping onehour less per day, using the time for…

A: The mass of the person is 65 kg.   Person decides to sleep one hour less and using the time for…

Q: What is the percentage difference mass loss between a Helium nucleus and 4 protons?  My math came…

A:

Q: Need help using Boltzmann's constant. If i'm trying to find average thermal velocity (Vrms) of a…

A:

Q: 1.3 cmon side and has mass m=109.9 grams. What is the location of center of mass (Xcom, ycom)? y 3 1…

A: Given:  a = 1.3 cm  m = 109.9 g

Q: (III) What magnetic field B is needed to keep 998-GeV protons revolving in a circle of radius 1.0…

A: Given: The radius is R=1 km. The energy of proton is E=998 GeV. The rest mass is m=0.938 GeV/c2.…

Q: *39 Will the universe continue to expand forever? To attack this question, assume that the theory of…

A:

Q: In a neutron star, gravity causes the electrons to combine with protons to form neutrons. A typical…

A:

Q: The probability of two protons tunneling in the Sun's core is Ptunnel 1010. This means that out of…

A: Given The probability of two protons tunneling in the Sun's core is 1010 or the probability of…

Q: At the end of its life, a star with a mass of two times the Sun’s mass is expected to collapse,…

A: The expression for the radius is,

Q: For the following two reactions, the first may occur but the second cannot. Explain. K0 → π++π− (can…

A:

Q: What is primordial or big bang nucleosythesis?

A: Big bang nucleosynthesis is the process where nuclei production happens (except the presence of the…

Q: 235U decays to 207Pb via the decay series as shown. The first decay in the chain, that of 235U, has…

A: The 235U originally decays from 235U atoms to give 207Pb. Let the number of atoms initially are:…

Q: The Sun and all Main Sequence stars derive their luminosity by fusing hydrogen to helium; in…

A:

Q: Review I Constants During most of its lifetime, a star maintains an equilibrium size in which the…

A:

Q: Certain spiral galaxy is 8.6 Mpc away from us. How fast in km/s is this galaxy moving away from us?…

A: Write the given values with the suitable variables. d=8.6 MpcH0=69.1 km/s/Mpc Here, d is the…

Q: What is the difference between VBM & CBM?

A: Conduction band which  contain a large number of electron, by applying some electrical energy…

Q: "If C = -4i - 2j - 3k , what is C x j?" 3i - 4k 3i + 4k 3i + 2j - 4k 31 - 2j - 4k

A: vector product  C→×j^=i^j^k^CxCyCz010

Q: ur well formed opinion of how will our Sun actually d

A: The sun is in the center of the solar system. It is huge and made up of extremely hot gases. It…

Q: The half-lives of 235U and 238U are 7.04 × 108 years and 4.47 × 109 years, respectively, and the…

A: In this case Initially U2380=U2350 After time t , U238=13.7×U235 In this case, At=A0e-ktk=ln2t1/2

Q: Applying Newton's second law, f = ma yields F = ma. for each star. Mv2 (2r)2 GMM Solving for the…

A: Since, You have only asked bout the calculation part M=2v3TπG Here, "v" is the velocity that is…

Q: Compare the entropy increase in the Sun (P = 3.83 X 1026 w = 1 LSun; T = 5850 K) over it's 4.5…

A:

Q: How strong is the force of attraction between +5 µC and -10µC which are 25 cm apart? 0.72 N 720 kN O…

A: The force between the two charge particles is  F = k q q'r2 where, r is the distance between the two…

Q: F(V)dV=DN/N = 4 π( M/ 2πRT)3/2 V 2 exp(MV 2/ 2RT)dV   where dN, the number of particles having a…

A: <V2>=∫0∞V2 F(V)dVF(V)dV=4π(M2πRT)3/2V2exp(MV22RT)<V2>=∫0∞4π(M2πRT)3/2V4exp(MV22RT) dV

Q: Show that the mass density of radiation ρrad is given by ρrad = 4σT4/c3 where σ is the…

A: The mass density (ρrad) is defined as the mass of the radiation per unit volume of the body.…

Q: In class I derived the ordinary nuclear density to be about 0.138 u/fm3. A neutron star is a…

A:

Q: Sokv potented by diff.: Then flo X change in An e es acceleeped it's Merso 91.35% 97.0% 3 93.58%…

A: Actual mass of electron m'= 9.1 × 10^-31kg Accelartretd to 500kv

Q: How many Hydrogen atoms have to be transformed by following nuclear reaction to produce an energy of…

A:

Q: The mass of a sample is 0.02 u. What is its mass in MeV/c2?

A:

Q: Assume that the radiation coming from Andromeda is all due to solar-like stars (MV, = 4.83). How…

A: Required : Approximate number of stars in Andromeda galaxy.

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.