Respuesta :

ch3ng27

Answer:

a = -11.1 m/s²

Explanation:

Initial velocity, u = 45 m/s

Final velocity, v = 0 m/s

Distance travelled, s = 91m

Using

v² = u² + 2as

0 = 45² + 2(91)a

a = -11.1 m/s²