Post Your Answer
Post Your Answer
Post Your Answer
Post Your Answer
Ans 1:
Class : Class 7
You know,I think it is none of these as there needs to be an answer to both the questions asked or else it sounds rude.
(B)
(C)
(D) 
(A) No acceleration
(B) Acceleration in upward direction
(C) Acceleration in downward direction
(D) Acceleration in horizontal direction
(A) 72
(B) 576 (C) 1,152
(D) 1,728