Question

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Answer 1

Answer:

2 nd equation

second equation of motion explain the relationship of displacement and time

s =ut+1/2at............1

displacement and time gives velocity

velocity=change in displacement /time

v k v g =s/t

Vavg=s...........2

vavg=final velocity plus initial velocity by 2

Vavg=(v+u)/t.,.........3

3subs in 2

(v +u)/2*t+s..4

we know that equation of motion 1

v=u+at.....5

5subs in 4

(u +at +u )/2*t=s

ut +(at +t )/2=s

ut +at square/2=s

or ut+120atsquare =s

hence proved

Explanation:

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