Question #3b0cc

1 Answer

I've found 34.3 "m/s".

Explanation:

V = V_o + at

so, 60 = 0 + a . 8

then, the acceleration is:

a = 60 / 8 = 7.5 "m/s"^2

Now:

V = 2.8 + (7.5 . 4.2) = 34.3 "m/s".