Respuesta :

i am pretty sure the answer is 2

Answer:

2.2 m/s

Explanation:

formula to be used is:  a = ∆v/∆t

where:

a = 0.09 m/s²

∆t = 10 s

∆v = a*∆t

      = (0.09 m/s²)(10 s)

       = 0.9 m/s

Vivian's final speed:

= initial speed + change in speed

= 1.3 m/s + 0.9 m/s

= 2.2 m/s