What are the magnitudes of the momenta of the photons

Assignment Help Physics
Reference no: EM13996599

An electron and a positron anihilate with equal and opposite momenta and become two photons: e- + e- → 2 photons. Both the electron and the positron have mass me and momentum of magnitude mac.

(a) Explain why the electron and positron cannot annihilate to become a single photon.

(b) What are the magnitudes of the momenta of the photons?

Reference no: EM13996599

Questions Cloud

What is the velocity of the wave in the beam : A student strikes a metal rail (L = 22 m) at one end and uses a piezoelectric gauge at the other end to determine that the beam produces a λ= 2 kHz sound wave that takes t = 0.0071 s to reach the end of the beam within the metal. Input an expressio..
Explain how sex offenders need to be treated : State the issues that are associated with offenders who have tuberculosis, Hepatitis C, and HIV/AIDS. Explain how sex offenders need to be treated and supervised differently than other offenders. Describe how DWI/DUI offenders strain the corrections ..
Determine if a number is factor or not : Implement a program to count the frequencyofwords in a text file. Thetext file is partitioned intoNsegments. Each segment is processed by a separate thread that outputs the intermediate frequencycount for its segment. The main process waits until ..
What is the amplitude of oscillation of the mass : A student is studying a 100.0g mass oscillating on a horizontal spring of spring constant k=18N/m. At t=0, the object was at rest and its position was x= 2.55cm from its equilibrium position. What is the amplitude of oscillation of the mass?
What are the magnitudes of the momenta of the photons : Explain why the electron and positron cannot annihilate to become a single photon. What are the magnitudes of the momenta of the photons?
Determine the magnitude of the balloon initial velocity : The target is located a horizontal distance d = 7.5 m from the student's feet. Assume that the balloon moves without air resistance. Use a Cartesian coordinate system with the origin at the balloon's initial position. What is the position vector,..
Is commodities liable to e-products under the sales : Is Commodities liable to E-Products under the sales contract for the computers, printers and scanners? Why or why not? Is Brenda personally liable to E-Products to pay for the computers, printers and scanners? Why or why not
Implementation for the purposes of efficiency : A queue can be implemented using a homogenous array and a tail counter. The head of the array is always the first element of the array. Every time an item exits the queue, the other items are moved up. New items are always added to the end of the ..
Find an equation for the magnitude of the net magnetic force : Find an equation for the magnitude of the net magnetic force on the loop in terms of the constants Bo, I, and L. Find an equation for the direction of the net magnetic force on the loop in terms of the constants Bo, I, and L.

Reviews

Write a Review

Physics Questions & Answers

  Determine how fast were they moving

The mass of a bottom quark is 4.20Gev/c^2 and was found by colliding a beam of protons with a cloud of stationary protons. How fast were they moving

  Determine the max height that he reaches

A daredevil on a motorcycle leaves the end of a ramp with speed of 35.0 m/s, what is the max height that he reaches

  Detemine the plancks constant

In 1916 Milikan used measurements of the kinetic energy of photoelectrons to detemine plancks constant

  Calculate the change in specific entropy of air

Calculate the change in specific entropy of air as it is expanded from 2500kPa and 550 degrees C to 120kPa and 65 degrees C

  What is the new frequency of the string that was tightened

What is the new frequency of the string that was tightened. find the magnitude of the net force acting on the car during this time.

  Find the line density of the transmission grating

A transmission grating is used to study the spectral region extending from 480 nm to 500 nm. The angular spread of this region is 20 degrees in the third order. Find the line density (number of lines per centimeter) of the transmission grating.

  What static friction coefficient would be required

What static friction coefficient would be required between the 2 kg mass and the table to stop the masses from accelerating

  What is the radius of given coil

Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation. What is the radius (in cm) of coil 2

  Explain how the temperature can affect the magnetization

Pierre Curie discovered through experiment that the magnetization of a paramagnetic material is directly proportional to the strength of an external magnetic field and inversely proportional to the temperature in degrees Kelvin

  Horizontally projects stream of water with initial speed

A water pistol aimed horizontally projects a stream of water with an initial speed of 6.90 m/s. How far does the water drop in moving 1.50 m horizontally? How far does it travel before dropping a vertical distanceof 2.00 cm?

  An alpha particle is projected directly at gold nucleus

An alpha particle (q=2e and m=4mp) is projected directly at a gold nucleus (q = 79e) which can be assumed to be fixed in place. Assume that the alpha particle starts from a point which is very far from the gold and that it has an initial speed of 4. ..

  Determine the period of the water ripples

Water ripples are produced by making a cork oscillate up and down at a frequency of 5 Hz. What is the period of the water ripples

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd