Question

we have to use either of these formulas


a=(vf-vi)/t

or


a=(vf^2-vi^2)2-d​

Answer 1

Answer:

646,000 m/s²

Explanation:

Given:

Δx = 0.840 m

v₀ = 0 m/s

v = 521 m/s

Find: a

v² = v₀² + 2aΔx

(521 m/s)² = (0 m/s)² + 2a (0.840 m)

a ≈ 646,000 m/s²