Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 11, Problem 8P
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The mean diameters of X and Y, two planets in the same solar system, are 7.0 x 10 km and 1.8 x 10 km, respectively. The mass of X is 0.20 times the mass of Y. The value of g on Ys 9.0 m/s²,
(a) What is the ratio of the mean density of X to that of y(x/a)
3.4
(b) What is the value of g on X?
11,9
m/s²
(c) The mass of Y is 1.093 x 1025 kg. What is the escape speed on X?
m/s
Assume that planet A has radius RA and mass MA, and
planet B has radius Rg and mass Mg. Let ga and gg are the
accelerations due to gravity at their surfaces, respectively.
If MA = Mg, and RA = 2RB
The ratio (g,/gB) is:
%3D
%3D
А. 1
В. 2
C. 4
D. 0.5
E. 0.25
Consider a hypothetical planet with a mass equal to half that of Earth and radius is one-third that of Earth. If g is the acceleration due to gravity on Earth, the acceleration due to gravity on the planet will be:
A) (1/2)g
B) (9/2)g
C) (5/2)g
D) (3/2)g
Chapter 11 Solutions
Physics for Scientists and Engineers
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