Chapter 10, Problem 77RPP

To determine

The time interval for one trip through the Earth, if the radius of Earth is $6.4\times 1{\text{0}}^{\text{6}}\text{ m}$, its mass is $6.0\times 1{\text{0}}^{24}\text{ kg}$, and the universal gravitational constant is $6.67\times 1{\text{0}}^{-11}\text{ N}\cdot {\text{m}}^2{\text{/kg}}^{\text{2}}$

from the provided options:

a. $0.\text{7 h}$

b. $\text{1}\text{.4 h}$

c. $\text{3}\text{.2 h}$

d. $\text{4}\text{.8 h}$

e. $\text{6}\text{.3 h}$