Question

when do we use this formula of distance
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Answer 1

Answer:

Here u have written a wrong formula

The actual formula is = s= ut+ 1/2 at²

We use this to find distance when initial velocity , time taken and acceleration of the body are given

Answer 2

Answer:

see this is not second equation of motion

this is wrong formula

solve bracket still it makes

initial momentum+final momentum/2t

which is not used for distance

you can use

s=ut+1/2 at^2