Question

Not sure what i’m doing how do i do this??

Answer 1

Step-by-step explanation:

Given:

v₀ = 25 m/s

v = 0 m/s

a = -9.8 m/s²

1a) Find t.

v = at + v₀

0 m/s = (-9.8 m/s²) t + 25 m/s

t = 2.55 s

1b) Find Δy.

v² = v₀² + 2aΔy

(0 m/s)² = (25 m/s)² + 2 (-9.8 m/s²) Δy

Δy = 31.9 m