Question

Tolong jawabannya..

Answer 1

Verified answer

Gerak Parabola
Kelas X

tₜₒₜₐₗ = 12 s
α = 27°

tan α = ½
Didapat juga
sin α = ⅕ √5

tₜₒₜₐₗ = 2 • tₘₐₓ
12 = 2 • tₘₐₓ
tₘₐₓ = 6 s

tₘₐₓ = V₀ sin α / g
6 = V₀ • ⅕ √5 / 10
60 = V₀ • ⅕ √5
V₀ = 60√5 m/s

Maka
hₘₐₓ = V₀² sin²α / 2g
hₘₐₓ = (60√5)² • (⅕ √5)² / 2(10)
hₘₐₓ = 180 m