Q. A train is moving on a track at 30 ms-1. A ball is thrown from it perpendicular to the direction of motion at 30ms-1 at 45° from horizontal. The distance of ball from the point of projection on train to the point where it strikes the ground.
(a) 90 m
(b) 90√3 m
(c) 60 m
(d) 60 √3 m
Ans: (a)