question_answer

A ball is taken to Mars where the acceleration due to gravity is approximately \[4m{{s}^{-2}}\text{ }\left( 0.4\text{ }{{g}_{e}} \right)\]. It is thrown from ground level with the initial velocity \[{{\text{v}}_{0}}\]in the upward direction. On Mars, it will be in the air for ______ seconds and reach a maximum height ______.

A) \[0.4\text{ }t,\text{ }2.5\text{ }y\]          

B) \[0.4\text{ }t,\text{ }6.25\text{ }y\]  

C) \[2.5\text{ }t,\text{ }2.5\text{ }y\]          

D) \[6.25\text{ }t,\text{ }2.5\text{ }y\]