TRUE OR FALSE(projectile)

well the ans is true..

this question came in our class 11 half yearly to prove.....

i got the proof in a book...
i am uploading it

but i still believe that a simpler solution exists... cause i have seen this question as mcq in many books.. so a shorter solution must exist....
let's see what other's have to say..

YAAR SANDI....I WISH U HAD DONE IT BIT EARLIER....

MAINE ALMOST PURA PROOF WITH PIC ..TYPE KAR LIYA..THA.. WEN U POSTED.....LOL......

NE WAYS THAX........