Respuesta :

Substitute values and isolate v.

v^2 = u^2 + 2as
v^2 = 8^2 + 2(3)(19)
v^2 = 64 + 114
v^2 = 178
v = √178
v = about 13.3

Since the velocity isn’t exactly 13m/s, it cannot be A, so the correct answer is C.