After an average acceleration of 3.27 m/s2 during 2.99 s, your car reaches a velocity of 15.1 m/s. Find the car\'s initial velocity.

-i used av=(vf-vi)/change in time, i tried to manipulate the formal to find the initial velocitychange in time * av-vf=-vi...is that correct?

Question

After an average acceleration of 3.27 m/s2 during 2.99 s, your car reaches a velocity of 15.1 m/s. Find the car\'s initial velocity.

-i used av=(vf-vi)/change in time, i tried to manipulate the formal to find the initial velocity>>change in time * av-vf=-vi...is that correct?

aaronq · Answer

you mean this?  $\sf a=\dfrac{v_f-v_i}{\Delta t}$

anonymous · Answer

yes

anonymous · Answer

i used $$\frac{ vf-vi}{ \Delta t}$$ and it doesn't work