Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 16, Problem 11Q

(a)

To determine

An estimate for the amount of hydrogen (in kilograms) consumed by the Sun over the past 4.56 billion years. Also, find the amount of the Sun’s mass which is lost as a result of this. Consider that the luminosity of the Sun remains constant.

(b)

To determine

Whether the result obtained in the previous subpart is an overestimate or an underestimate, considering that when the formation of the Sun occurred, its luminosity was about 70% of its present value.

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An electron and a proton are each moving at 755 km/s in perpendicular paths as shown in (Figure 1). At the instant when they are at the positions shown, find the magnitude and direction of the total magnetic field they produce at the origin. Find the magnitude and direction of the magnetic field the electron produces at the location of the proton. Find the magnitude and direction of the total magnetic and electric force that the electron exerts on the proton. Please explain all steps
An electron and a proton are each moving at 755 km/s in perpendicular paths as shown in (Figure 1). At the instant when they are at the positions shown, find the magnitude and direction of the total magnetic field they produce at the origin. Find the magnitude and direction of the magnetic field the electron produces at the location of the proton. Find the magnitude and direction of the total magnetic and electric force that the electron exerts on the proton. Please explain all steps
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