COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 28, Problem 47QAP
To determine
(a)
The minimum total energy for each proton
To determine
(b)
The speed of proton in terms of
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An electron (rest mass 9.11 x 10^(-31) kg, charge is 1.60 x 10^(-19) C) is moving oppositie to an electric field of magnitude E = 5 x 10^5 N/C. All other forces are negligible in comparison to the electric fireld force. With the relativistic linear momentum p=γ mv, what is the magnitudes of momentum and of acceleration at the instants when v1=0.010c, v2=0.90c and v3=0.99c, where c=3 x 10^8 m/s
a. p1 = 2.7 x 10^(-24) kg.m/s; p2 = 5.6 x 10 ^(-22) kg.m/s; p3 = 1.9 x 10 ^(-21) kg.m/s
b. p1 = 2.7 x 10^(-24) kg.m/s; p2 = 5.6 x 10 ^(-22) kg.m/s; p3 = 2.9 x 10 ^(-21) kg.m/s
c. p1 = 2.9 x 10^(-24) kg.m/s; p2 = 5.6 x 10 ^(-22) kg.m/s; p3 = 1.9 x 10 ^(-21) kg.m/s
d. p1 = 2.7 x 10^(-24) kg.m/s; p2 = 6.5 x 10 ^(-22) kg.m/s; p3 = 1.9 x 10 ^(-21) kg.m/s
Two electrons have speed of 0.7c and x respectively at an angle of 60.82 degrees between each other.If their relative velocity is 0.65c, find x.
A patient’s tumor is being treated with proton-beam therapy. The protons are accelerated through a potential difference of 62 MV. What is the speed of the protons? (Note: The speed is high enough that, in principle, we should use a relativistic calculation—but for this problem you should use the formulas you are already familiar with.)
Chapter 28 Solutions
COLLEGE PHYSICS
Ch. 28 - Prob. 1QAPCh. 28 - Prob. 2QAPCh. 28 - Prob. 3QAPCh. 28 - Prob. 4QAPCh. 28 - Prob. 5QAPCh. 28 - Prob. 6QAPCh. 28 - Prob. 7QAPCh. 28 - Prob. 8QAPCh. 28 - Prob. 9QAPCh. 28 - Prob. 10QAP
Ch. 28 - Prob. 11QAPCh. 28 - Prob. 12QAPCh. 28 - Prob. 13QAPCh. 28 - Prob. 14QAPCh. 28 - Prob. 15QAPCh. 28 - Prob. 16QAPCh. 28 - Prob. 17QAPCh. 28 - Prob. 18QAPCh. 28 - Prob. 19QAPCh. 28 - Prob. 20QAPCh. 28 - Prob. 21QAPCh. 28 - Prob. 22QAPCh. 28 - Prob. 23QAPCh. 28 - Prob. 24QAPCh. 28 - Prob. 25QAPCh. 28 - Prob. 26QAPCh. 28 - Prob. 27QAPCh. 28 - Prob. 28QAPCh. 28 - Prob. 29QAPCh. 28 - Prob. 30QAPCh. 28 - Prob. 31QAPCh. 28 - Prob. 32QAPCh. 28 - Prob. 33QAPCh. 28 - Prob. 34QAPCh. 28 - Prob. 35QAPCh. 28 - Prob. 36QAPCh. 28 - Prob. 37QAPCh. 28 - Prob. 38QAPCh. 28 - Prob. 39QAPCh. 28 - Prob. 40QAPCh. 28 - Prob. 41QAPCh. 28 - Prob. 42QAPCh. 28 - Prob. 43QAPCh. 28 - Prob. 44QAPCh. 28 - Prob. 45QAPCh. 28 - Prob. 46QAPCh. 28 - Prob. 47QAPCh. 28 - Prob. 48QAPCh. 28 - Prob. 49QAP
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- An alien spaceship traveling 0.600c toward Earth launches a landing craft with an advance guard of purchasing agents. The lander travels in the same direction with a velocity 0.800c relative to the spaceship. As observed on Earth, the spaceship is 0.200 light-years from Earth when the lander is launched. (a) With what velocity is the lander observed to be approaching by observers on Earth? (b) What is the distance to Earth at the time of landcr launch, as observed by the aliens on the mother ship? (c) How long does it take the lander to reach Earth as observed by the aliens on the mother ship? (d) If the lander has a mass of 4.00 105 kg, what is its kinetic energy as observed in Earths reference frame?arrow_forwardA positron is an antimatter version of the electron, having exactly the same mass. When a positron and an electron meet, they annihilate, converting all of their mass into energy. (a) Find the energy released, assuming negligible kinetic energy before the annihilation. (b) If this energy is given to a proton in the form of kinetic energy, what is its velocity? (c) If this energy is given to another electron in the form of kinetic energy, what is its velocity?arrow_forwardAn interstellar space probe is launched from Earth. After a brief period of acceleration, it moves with a constant velocity, 70.0% of the speed of light. Its nuclear-powered batteries supply the energy to keep its data transmitter active continuously. The batteries have a lifetime of 15.0 years as measured in a rest frame. (a) How long do the batteries on the space probe last as measured by mission control on Earth? (b) How far is the probe from Earth when its batteries fail as measured by mission control? (c) How far is the probe from Earth as measured by its built-in trip odometer when its batteries fail? (d) For what total time after launch are data received from the probe by mission control? Note dial radio waves travel at the speed of light and fill the space between the probe and Earth at the time the battery fails.arrow_forward
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