EBK LOOSE-LEAF VERSION OF UNIVERSE
11th Edition
ISBN: 9781319227975
Author: KAUFMANN
Publisher: VST
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Chapter 21, Problem 31Q
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The great proof of Einstein's Theory of General Relativity was that light is bent by gravity (as it travels through a curved
spacetime). Which of these statements is true??
O A light ray is bent the same amount, it doesn't matter how strong the gravity is.
O A light ray is bent less by an intense gravitational field.
O A light ray is bent more by an intense gravitational field.
O Light rays aren't bent.
According to Einstein’s two postulates of special relativity:
The first postulate states that: All inertial reference frames are equivalent. Explain what is meant by this first postulate.
The active gravitational mass (m^) of a particle is an attribute that enables it to
establish a gravitational field in space, whereas the passive gravitational mass (m") is
an attribute that enables the particle to respond to this field.
(a) Write Newton's law of universal gravitation in terms of the relevant active and
passive gravitational masses.
(b) Show that the third law of motion makes it unnecessary to distinguish between
active and passive gravitational mass.
Chapter 21 Solutions
EBK LOOSE-LEAF VERSION OF UNIVERSE
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- Which of the following is a key difference between Newton's Law of Gravity and Einstein's equations of General Relativity? Select one: Newton's Law of gravity does not yield accurate results for smaller bodies such as Pluto, the asteroids, and а. comets. O b. Einstein's General Relativity insists that gravity is a force, whereas Newton's Law of Gravity does not. С. Newton's Law of Gravity suggests that particles lacking mass (such as photons of light) will be unaffected by gravitational fields. O d. Einstein's General Relativity is only mathematical and theoretical in nature, and has not been supported by observational evidence.arrow_forwardIn general relativity, gravity changes time. Gravitational potential = - G M / R. Time change r = At/t = A/c². A satellite (e.g., GPS) orbits 21 km above Earth surface, and gravity at the satellites are a little different from Earth surface. The distance error is Ad = c At. Ad is km in one day Please do not copy and paste. Thank you!arrow_forward1.) In what way(s) is Einstein's general theory of relativity superior to Newton's theory of universal gravitation? For each way, give an example of a case where Einstein's theory provides a more accurate description of physical phenomena than does Newton's. (Select all that apply.) A.) Newton's theory originally held that the orbit of a spherical object about another will be an open curve for which the point of closest approach slowly precesses. Einstein's theory correctly predicts that gravitational forces lead to orbits of closed ellipses. B.) Einstein's theory correctly predicts the deflection of light passing near a massive object, while Newton's theory predicts a deflection that is one-half the observed deflection. C.) Einstein's theory correctly predicts that the orbit of a spherical object about another will be an open curve for which the point of closest approach slowly precesses. Newton's theory originally held that gravitational forces lead to orbits of closed…arrow_forward
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