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α = 30°
g = 10
h = vo sin α. t - 1/2 gt²
h max saat t puncak tp = -b/2a
= -vo sin α/2(-1/2g)
= vo sin α / g
= 40. sin 30 / 10
= 40. 1/2 / 10
= 2s
h max = 40. sin 30. 2 - 1/2. 10.2²
= 40.1/2.2 - 1/2.10.4
= 40 - 20
= 20 m
x = vo cos α. 2tp
= 40. cos 30. 2(2)
= 40. 1/2√3. 4
= 80√3 m
Vo = 40m/s
Ф = 30* sin =1/2 cos=1/2√3
g = 10m/s^2
Dit :
h max dan x max
h max:
Gnakan rumus: .
h max = .
h max = .
h max = . 40
h max = 20 m
x max :
gunakan rumus
x =
x max =
x max =
x max =
xmax = 80√3 m