Respuesta :

MathPhys

Answer:

0.13 s

Explanation:

Given:

v₀ = 1.3 m/s

v = 0 m/s

a = -9.8 m/s²

Find: t

v = at + v₀

0 m/s = (-9.8 m/s²) t + 1.3 m/s

t = 0.13 s