Question

a stone is dropped freely while anothe ris thrown vertically down with an inital velocity of 2m/s from the same point simultaneously . time required by them to have a 22m seperation between them

Answer 1

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Answer 2

Dear Student,


For the dropped ball, initial velocity is 0,

time=t sec.

and

acceleration=g ms^-2 downwards. 



ball1


u=0
v=u+at
=>v=gt


S1=ut+at2/2
=>S1=gt2/2

ball2

u=v
vf=u+at
=>vf=v+gt

S2=vt+gt2/2

distance of separation = S2-S1
=vt.