Answers

2016-05-03T15:18:26+05:30
Ans is :
 in first case it is 3.6 m/s
and in second case it is 9/5 m/s..
in both the cases the initial velocity is zero...and with the formula i.e a=v-u/t
gives u the answer .... if u want more then please kindly ask me
and please dont forget to mark it as brainliest
1 5 1