Easy One Dimensional Kinematics

[pointintime]

ok i'll go at it and edit this post

(9.80 m/s^2 (11.56 s^2 + t2^2 - 2(3.4 s)t2))/2 = (340 m/s) t2
(4.90 m/s^2 (11.56 s^2 + t2^2 - (6.8 s)t2))/2 = (340 m/s) t2
56.64 m + (4.90 m/s^2)t2^2 - (33.32 m/s)t2 = (340 m/s) t2
56.64 m + (4.90 m/s^2)t2^2 - (33.32 m/s)t2 - (340 m/s) t2 = 0
(4.90 m/s^2)t2^2- (373.3 m/s)t2 + 56.64 m

 

[pointintime]

Is that correcT?

 

[Doc Al]

That's looks much better. Solve it.