Respuesta :

choixongdong

Answer:

s = 19/4

Step-by-step explanation:

s = ut + 1/2 at^2

Plug in

s = (10)(1/2) + 1/2 (-2)(1/2)^2

s = 5 + (-1)(1/4)

s = 5 - 1/4

s = 20/4 - 1/4

s = 19/4

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