Question

IN THE  PREVIOUS QUESn THAT WAS   BALL IS DROPPED  FROM HEIGHT 5M ACC. DUE TO GRAVITY IS NOT KNOWN & WE HAVE TO FIND = IT LOSES ITS VEL. BY WHICH FACTOR WHEN IT RISES TO 1.8M

IN THE SOLn SUBMITTED BY SOMEONE HE HAS TAKEN ACC.  WHILE FINDING VEL EQN= =V2-U2=2AS    AS CONST. SO I WANT TO KNOW WHY IN THIS QUES ACC. IS TAKEN CONST. WHILE THERE IS NO MENTn IN QUES

Joshi sir comment

answer by Nikhil is correct 

consider once agian

Read 1 Solution.

what else can u take . suppose u are throwing a ball  from earth or from moon .it is an example of uniformly acclearated motion . where a is constant

waht r u thinking , u r thinking to take a=p at H= 5m a= p-1 AT H=4.9 m ( totaly wrong thinking)

NIKHIL VARSHNEY 12 year ago is this solution helpfull: 1 1

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