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Velocity and acceleration of a Ferrari !

Ferrari speeding upA Ferrari covers120m from a standing start in 6sec at constant acceleration.Find its final velocity

(Shilvastar asked this)

Answer:

u=0 (Since it starts from rest)

t= 6s

s=120m

a=?

v=?

from

a=2 x 120/36=6.67 m/s2

from v=u+at

v=40m/s

 

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