Answer:
2.8 seconds
Step-by-step explanation:
Given:
Δy = 38 m
v₀ = 0 m/s
a = 9.8 m/s²
Find: t
Δy = v₀ t + ½ at²
(38 m) = (0 m/s) t + ½ (9.8 m/s²) t²
t = 2.8 s
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