Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Question
Chapter 16, Problem 39QAP
To determine
The energy released in the annihilation of proton and antiproton.
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In accordance with Einstein’s theory of relativity, calculate the mass of the matter needed to be destroyed to produce an energy of 1.75×10^15 W-hr.
If a proton and an antiproton, both at rest, were to completely annihilate each other, how much energy would be liberated?
A proton‑antiproton annihilation takes place, leaving two photons with a combined energy of 2.50 GeV.
Find the kinetic energy Kp of the proton if the proton had the same kinetic energy as the antiproton.
Find the kinetic energy Kp′ of the proton if the proton had 1.25 times as much kinetic energy as the antiproton.
Chapter 16 Solutions
Understanding Our Universe
Ch. 16.1 - Prob. 16.1CYUCh. 16.2 - Prob. 16.2CYUCh. 16.3 - Prob. 16.3CYUCh. 16.4 - Prob. 16.4CYUCh. 16.5 - Prob. 16.5CYUCh. 16.6 - Prob. 16.6CYUCh. 16 - Prob. 1QAPCh. 16 - Prob. 2QAPCh. 16 - Prob. 3QAPCh. 16 - Prob. 4QAP
Ch. 16 - Prob. 5QAPCh. 16 - Prob. 6QAPCh. 16 - Prob. 7QAPCh. 16 - Prob. 8QAPCh. 16 - Prob. 9QAPCh. 16 - Prob. 10QAPCh. 16 - Prob. 11QAPCh. 16 - Prob. 12QAPCh. 16 - Prob. 13QAPCh. 16 - Prob. 14QAPCh. 16 - Prob. 15QAPCh. 16 - Prob. 16QAPCh. 16 - Prob. 17QAPCh. 16 - Prob. 18QAPCh. 16 - Prob. 19QAPCh. 16 - Prob. 20QAPCh. 16 - Prob. 21QAPCh. 16 - Prob. 22QAPCh. 16 - Prob. 24QAPCh. 16 - Prob. 25QAPCh. 16 - Prob. 26QAPCh. 16 - Prob. 27QAPCh. 16 - Prob. 28QAPCh. 16 - Prob. 29QAPCh. 16 - Prob. 30QAPCh. 16 - Prob. 31QAPCh. 16 - Prob. 32QAPCh. 16 - Prob. 33QAPCh. 16 - Prob. 34QAPCh. 16 - Prob. 35QAPCh. 16 - Prob. 36QAPCh. 16 - Prob. 37QAPCh. 16 - Prob. 38QAPCh. 16 - Prob. 39QAPCh. 16 - Prob. 40QAPCh. 16 - Prob. 41QAPCh. 16 - Prob. 42QAPCh. 16 - Prob. 43QAPCh. 16 - Prob. 44QAPCh. 16 - Prob. 45QAP
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- Give examples of nonbaryonic matter.arrow_forwardWhy electrons cannot be accelerated in a cyclotron?arrow_forwardIn proton-antiproton annihilation, a proton and an antiproton (which has the same mass as the proton, but carries a negative charge) interact, and both masses are completely converted to electromagnetic radiation. Assuming that the particles are moving toward one another at a speed of 0.80c relative to the laboratory reference frame before they annihilate, determine the total energy released in the form of radiation according to a laboratory technician.arrow_forward
- How can we apply the knowledge that was produced by the lhc to our current society?arrow_forwardA sphere of matter and a sphere of antimatter (both at rest) can annihilate releasing 0.9· 1030 MeV of energy. Given that both spheres have the same mass, what is the mass in kg of each sphere?arrow_forward. In a particular beam of protons, each particle moves with an average speed of 0.8c. Determine the total relativistic energy of each proton in joules and MeVs.arrow_forward
- Imagine an astronaut on a trip to Sirius, which lies 8 light - years from Earth. Upon arrival at Sirius, the astronaut finds that the trip lasted 6 years. If the trip was made at a constant speed of 0.8c, how can the 8 - light - year distance be reconciled with the 6 - year duration?arrow_forwardWhat is a super force?arrow_forward10. In most models for the early universe, which was the first force to have frozen out of the original Supersymmetric force? a. Weak Nuclear Force. b. Strong Nuclear Force. c. Gravity. d. Electromagnetism.arrow_forward
- If a 5.2 kg mass is completely converted into energy, how much energy, in joules, would be released? Compare this value to the amount of energy released when 5.2 kg of liquid water at 0°C freezes. (The latent heat of fusion of water is 3.34 ✕ 105 J/kg.)arrow_forwardWhere did the v1= -.15v2 come from?arrow_forwardAn astronaut takes a trip to Sirius, which is located a distance of 8 light-years from the Earth. The astronaut measures the time of the one-way journey to be 6 years. If the spaceship moves at a constant speed of 0.8c, how can the 8-ly distance be reconciled with the 6-year trip time measured by the astronaut?arrow_forward
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