A body starts from rest and moves with a uniform acceleration of 4m/s2 until it
travels a distance of 800m, find the find velocity?
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Answer:
a=4 m/s2
s=800m
u=0 m/s
s=ut+ 1/2 at2
800=0+1/2*4*t2
800=2t2
400=t2
t=20 s
a=(v-u)/t
4=v-0/20
80=v
v=80 m/s
Explanation:
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