engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Laws of Motion Newton's Laws of Motion
A passenger in a train drops a ball from the window of the train running at an acceleration a. A pedestrian on the ground, by the side of the rails, observes the ball falling along:
1
a vertical with an acceleration \(\sqrt{g^2 + a^2 } \)
2
a vertical acceleration \(\sqrt{g^2 + a^2} \)
3
a parabola with an acceleration \(\sqrt{g^2 + a^2}\)
4
a parabola with an acceleration g