Use the formula v = u + at to find the velocity, when
The initial velocity is 3m/s.
The Acceleration is 1.5m/s Squared.
The time is 7 seconds.

Respuesta :

Answer:

[tex]v = u + at \\ v = 3 + (1.5 \times 7) \\ v = 3 +10.5 \\ \boxed{v = 13.5 \: m {s}^{ - 1}} [/tex]

13.5 m/s is the right answer.