Question

Hii guys... plz answer this questions....

Answer 1

Here is ur answer....

V=U+at

=> 0=29.4 +(-9.8)×t

=>0=29.4 - 9.8t

=> 9.8t = 29.4

=> t=29.4/9.8

=>t=3 sec

.: total time for going up and

coming down =3×2 =6 sec Ans.

Hope this has helped u....