A trains is moving on borizonatal rails with a uniform acceleration `a.A` passsenger sitting in a boffie drops a stone indide the boggie. What will be the acceleration of stone (i) w.r.t. boggie and (ii) w.r.t. the rails ?

Explanation

(i) g w.r.t. boggie and
(ii) ` sqrt (a^(2) + g^(2)) w.r.t. rails.