a body starts from rest and moves with a uniform acceleration of 4m/s2

1.	a body starts from rest and moves with a uniform acceleration of 4m/s2 until it travels a distance of 800m, find the final velocity?
Answer» ANSWER: Your answer is below: EXPLANATION: a=4m/s2 s=800m u=0m/s2 s =ut+1/2at2 800=0+1/24t2 800=2t2 400=t2 t=20s a=(v-u)/t 4=v-0/20 80=v v=80m/s

a body starts from rest and moves with a uniform acceleration of 4m/s2 until it travels a distance of 800m, find the final velocity?

Answer»

ANSWER:

Your answer is below:

EXPLANATION:

a=4m/s2

s=800m

u=0m/s2

s =ut+1/2at2

800=0+1/2*4*t2

800=2t2

400=t2

t=20s

a=(v-u)/t

4=v-0/20

80=v

v=80m/s

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a body starts from rest and moves with a uniform acceleration of 4m/s2 until it travels a distance of 800m, find the final velocity?​

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a body starts from rest and moves with a uniform acceleration of 4m/s2 until it travels a distance of 800m, find the final velocity?