Question

A balloon starts rising from ground from rest with an
upward acceleration 2 m/s2. Just after 1 s, a stone is
dropped from it.The time taken by stone to strike the ground is nearly.


can I pls know how did we get u = -2 .......I have circled that part ​

Answer 1

hi buddy there are 2 cases that u have given u = -2

see u = initial velocity

so either you have given the initial velocity or you may have been given time , final velocity and accleration

Answer 2

Answer:

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