Proton Definition and 836 Threads

Homework Statement A proton with mass 1.45*10^-27 kg is propelled at an initial speed of 3.99*10^5 m/s directly toward a uranium nucleus 5.16 m away. The proton is repelled by the uranium nucleus with a force of magnitude F = a/x^2 where x is the separation between the two objects and a = 2.12...

The question is to calculate the speed of a proton that is accelerated from rest through a potential difference of 120V. Qp(charge of proton) ~ 1.60E-19C...with this, DeltaU = Qp*DeltaV...in which DeltaU is positive. It makes sense since the proton is heading towards a higher electric...

1. Homework Statement We are in a laboratory and there is a photon and an ultra-relativistic proton moving. The energy of the photon in the frame of reference of the laboratory is 35eV. The energy of the same photon in the frame of reference of the proton is 5MeV. What is the energy of the...

how fast is that proton?? SORRY; I HAD TO MOVE THIS TO THE ADVANCED SECTION Homework Statement We are in a laboratory and there is a photon and an ultra-relativistic proton moving. The energy of the photon in the frame of reference of the laboratory is 35eV. The energy of the same photon in...

[SOLVED] Charged parallel plates, proton and electron released simultaneously Homework Statement Two parallel plates 0.700 cm apart are equally and oppositely charged. An electron is released from rest at the surface of the negative plate and simultaneously a proton is released from rest at...

Relationship of velocity of an electron/velocity of proton to...mass ratio Homework Statement An electron and a proton, starting from rest, are accelerated through an electric potential difference of the same magnitude. In the process, the electron acquires a speed ve, while the proton...

Homework Statement What is the speed of a proton whose kinetic energy is 23.0 keV? 1 eV = 1.6e-19 J 23 Kev = 23000 eV = 3.68e-15 J Homework Equations V = Sq. Rt. ( - ((2)(q)(Vba)) / (m)) The Attempt at a Solution

Homework Statement How much work does the electric field do in moving a proton from a point with a potential of +95 V to a point where it is -37 V? Express your answer both in joules and electron volts. _____eV _____J Homework Equations deltaPE = q * Vba The Attempt at a Solution...

Homework Statement A proton moving to the right along the x-axis at 3.8*10^5m/s, enters a region where the electric field of intensity 5.6*10^4n/c points to the left. How far will the proton move before its speed reaches zero? Describe the subsequent motion in deatail/ Homework...

Homework Statement A beam of low energy protons is observed to scatter elastically from a target of neutrons. Sketch the variation of the differential cross section with the resulting scattering angle and comment on a characteristic feature of the strong force than can be deduced...

What is the difference between electron capture, and electron-proton collions? My textbook has the feynman diagram of electron capture as a proton decaying into a neutron, and the proton emmiting a W+ boson, which is received by an electron, which then decays into a neutrino. However, the...

How do scientists assert the daring conclusion, that is overwhelmingly impossible even to speculate about, that the entire universe that contains billions of galaxies with billions of stars in each one of them along with dark matter and dark energy that make up 95% of our universe was once in...

Homework Statement A magnetic field of 0.1T forces a proton beam of 1.5mA to move in a circle of radius 0.1m. The plane of the circle is perpendicular to the magnetic field. What is the speed of the proton in the beam as it moves in the circle. Homework Equations The Attempt at a...

[SOLVED] Completely Elastic Proton Collision In my physics class we tried to solve this problem but nobody in the class could figure it out and the teacher was having difficulty with it. It is possible that the book put in a problem that isn't possible to solve... i am not very good with...

Homework Statement A proton enters a uniform magnetic field of strength B. Sketch it subsequent motion and derive an expression for the time, t, spent in the magnetic field.Homework Equations F=qvB=mv^{2}\div r The Attempt at a Solution I calculated the period of the particle in the field as...

[SOLVED] Bronsted Lowry Proton Theory Homework Statement Bronsted Lowry Proton Theory Acid is a proton H+ donor Homework Equations In my book. HCL + HOH ----> HOH + Cl My book says the HCL donates a proton. The Attempt at a Solution What I really do not get about this is that...

A proton emits a flash of light every meter of its own (proper) time. Between successive flash emissions, each proton travels a distance specified as recorded by a lab observer. Find the momentum, Energy, Time stretch (gamma), and lab time between flashes for the specified values...

Homework Statement A proton or a neutron can sometimes "violate" conservation of energy by emitting and then re-absorbing a pi meson, which as a mass of 135 MeV/c^2. This is possible as long as the pi meson is re-absorbed within a shoart enough time \Delta T consistent with the Uncertainty...

Homework Statement Suppose an accelerator has been constructed to provide 1 TeV proton beam. It must be decided how to use it, There are four possibilities: a) hit a fix target; b) collide with a 50 GeV electron to study ep collisions; c) collide with another proton beam also...

Homework Statement 50uA beam of 1MeV proton Target = Iron of 0.05um thick Calculate scattered current density at distance 5 cm at 20 degrees angle Homework Equations \sigma(E,\theta) = \pi*Z_{1}Z_{2}e^{4}(M_{1}/M_{2})/ET^{2}The Attempt at a Solution I figured the probability of scattering to...

1) Hydrogen’s electron and proton are separated by 5.3x10-13 meters. What is the electrical force between them? 2) A charge moved .02 meters in an electric field of force 215 N/C. If the electric potential decreased by 6.9x10-19, what is the charge of the particle? 3) If a capacitor...

Homework Statement An electron is released from rest 2.0 cm from an infinite charged plane. It accelerates toward the plane and collides with a speed of 1*107 m/s What is the surface charge density of the plane?Homework Equations a=(qE)/m v=v0+a∆t The Attempt at a Solution v0=0 therefore...

Homework Statement An ammonia molecule (NH_3) has a permanent electric dipole moment 5.0 * 10^-30 Cm . A proton is 2.50 nm from the molecule in the plane that bisects the dipole. What is the electric force of the molecule on the proton? Homework Equations E_dipole = K 2p / r^3 (on axis...

Homework Statement A proton (q=+e, m= 1.67*10^-27 kg) traveling at 300 m/s enters a uniform electric region opposite to the field direction. a.) find the change in the energy of the proton as it moves 2 m across a potential difference of 100kV in this field. Express answer in eV. b)...

I see that in some books, Proton and Neutron charge differ a bit. Why is it? :confused: I thought them to be same. But... And I am new to this forum... Let's hope we will have a great time together studying science...

I'm baaaaack... Is this the correct way to procede [b]1. The problem statement, all variables and given/known d The Born Haber cycle for the process was given as follows: ........U ......NH4Cl(s) → NH4+ + Cl- ......↑......↓.....P(NH3) ......↑......NH3 + H+ + Cl-...

Homework Statement A long straight wire lies on a horizontal table and carries a current of 1.09 μA. A proton moves parallel to the wire (opposite the current) with a constant velocity of 12200 m/s at a distance d above the wire. The acceleration of gravity is 9.8 m/s2. Determine this...

1. What will be the multiplicity due to spin-spin splitting of the highlighted protons in the molecule: (C6H5)-CH2-CH2-CH2-OH? Homework Equations None The Attempt at a Solution I know that the ones surrounding the highlighted CH2 group are not equivalent. If they were, the...

Homework Statement A proton moves through a uniform magnetic field given by B = (10i - 20j +30k)mT. At time t1, the proton has a velocity given by v = vxi + vyj + (2.0km/s)k and the magnetic force on the proton is F = (4.0 x 10^-17N)i + (2.0 x 10^-17N)k. At that instant, what are (a) vx and...

Homework Statement Is the following reaction possible? If so, what is the type of interaction (EM, weak or strong)? p+\bar{p}\rightarrow\pi^+ + \pi^- + \pi^0 Homework Equations Conservation laws and rules of thumb regarding types of interactions. The Attempt at a Solution I don't...

Homework Statement http://img518.imageshack.us/img518/9337/untitled2gr1.jpg The Attempt at a Solution (a) Using the right hand rule, my sketch looks like the following http://img340.imageshack.us/img340/5530/untitled3mk0.jpg (b) F=qvbsin(theta)...

hi guys, i have heard this recently...that the strong repulsive forces of protons in the nucleus is only held together by neutrons which acts as a glue. here is the problem...HOW does it act as a glue? could it possibly be the neutrons converting part of its mass into energy E=mc^2 and use...

Homework Statement state why p + p_bar --> 1 photon is forbidden Homework Equations The Attempt at a Solution I have checked all quantum numbers and they are okay. I wondering altough if p_bar has intrinsic parity -1 (p has parity +1)?? According to the soloution, it is...

What makes and gives a proton a postive charge and an electron a negative charge?

How many gluons are needed to bind the 3 quarks in a proton?

How many gluons are needed to bind the 3 quarks in a proton?

can a neutron decay into a proton? i certainly didnt think so, but i am reading hawking's new little book "breifer history of time", and he states that in there while talking about the early universe. thanks.

Homework Statement a proton (mass=1.67x10^-27kg, charge 1.6x10^-19C) moves from point A to point B under the influence of an electrostatic force only. at point A the proton moves with a speed of 50km/s and at point b it moves with a speed on 80km/s. determine the potential difference vb-va...

Homework Statement A proton is accelerated from rest through a potential difference of 107 V. Calculate the final speed of this proton. Homework Equations I'm not really sure which equations to use, but I figured I give all I tried... V=-Ed V=PE/q PE=-qEd and I think this...

improve photosynthesis energy capture efficiency

A uniform electric field has a magnitude of 2.41E+3 N/C. In a vacuum, a proton begins with a speed of 2.27E+4 m/s and moves in the direction of this field. Find the speed of the proton after it has moved a distance of 1.85 mm. alright i looked for some kinematics equations and i used v=d/t...

You have a summer intern position at a laboratory that uses a high-speed proton beam. The protons exit the machine at a speed of 2.10 times 10^6 m/s, and you've been asked to design a device to stop the protons safely. You know that protons will embed themselves in a metal target, but protons...

Homework Statement A proton moves in a circular path perpendicular to a 1.15T magnetic field. The radius of its path is 9.3mm. Calculate the energy of the proton in eV. Homework Equations F=ma=mv^2/r, F=qvB The Attempt at a Solution F=ma=mv^2/r=qvB mv/r=qB...

Homework Statement A proton accelerator, consisting of two charged plates whose potential difference is 45kV, is used to shoot a beam of protons into a magnetic field at an angle of 53 degrees to the +x-axis. The magnetic field is 1.5T, directed in the +x-direction Below is an image...

Can a single proton be held in a Penning trap and for how long? Has it been done? Who did it?

Homework Statement A proton sits at coordinates (x,y) = (0,0), and an electron at (d,h), where d>>h. At time t=0, a uniform electric field E of unknown magnitude but pointing in the positive y direction is turned on. Assuming that d is large enough that the proton-electron interaction is...

Homework Statement The direction of an electric field at a point is the same as a.the force on a neutron placed at that point. b.the force on a proton placed at that point. c.the force on an electron placed at that point. d.the force on a hydrogen molecule placed...

Homework Statement In a uniform electric field, a proton has a a. constant velocity in the direction of the field. b. constant velocity in the opposite direction of the electric field. c. constant acceleration in the direction of the electric field. d. constant acceleration...

Suppose we have a proton and electron, separated with a distance, d with respect to a stationary observer. Another observer moves with velocity, v with respect to the proton & electron system, and measured that the distance between the proton and electron is D. D < d by length contraction...

Hi. There's this question that was posed. And I'm totally lost.:redface: If my professor explained how it's all derived it would've been useful. Here we are: A bullet and a proton have the same momentum. Which has the longer wavelength? Any help? Thanks, Cataklyzm