Which of the following statement is wrong ?

Options

A. A ship moving from west to east, along the equator , shall have more less as compared to when its is at rest at the equator
B. A ship moving from east to west, along the equator, shall have more weight as compared to when it is at rest
C. Earth has retained its atmosphere because the value of `sqrt((3kT)/(m))` for air molecules is larger than escape velocity
D. The time period of a simple pendulum of infinite length is the same as the time period of SHM of a ball in a tunnei along the diameter of earth

Answer

C