Step-by-step explanation:
Given:
Δx = 1400 m
v = 0 m/s
t = 10.4 s
Find: v₀ and a
Δx = ½ (v + v₀) t
1400 m = ½ (0 m/s + v₀) (10.4 s)
v₀ = 269 m/s
Δx = vt − ½ at²
1400 m = (0 m/s) (10.4 s) − ½ a (10.4 s)²
a = -25.9 m/s²
1.6m questions
2.0m answers