question_answer

A bus moves on a horizontal path with constant acceleration a. A boy in the bus drops a ball outside. The acceleration of the ball w.r.t. The earth and the bus respectively are --

A)  a and g-a          

B)  \[a+g\]and g

C)  g and \[\sqrt{{{a}^{2}}+{{g}^{2}}}\]

D)  \[a-g\]and \[a+g\]