iday
No. 4 dik : g = 10 m/s62 ; R = 30 m ; α = 37 dit : V = ...??? jawab : V = √g.R.tan α = √10.30.(3/4) = √225 = 15 m/s (jawab : C)
no. 5 dik : R = 40√3 m ; V = 20 m/s dit : α = ...??? jawab : tan α = V^2/g.R = 20^2/10.(40√3) = 400/40√3 = √3/3 α = arc tan (√3/3) = 30 derajat. (jawab : A)
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aufaurwatul
terimakasih,saya tanya lagi tolong dijawab
dik : g = 10 m/s62 ; R = 30 m ; α = 37
dit : V = ...???
jawab :
V = √g.R.tan α = √10.30.(3/4) = √225 = 15 m/s (jawab : C)
no. 5
dik : R = 40√3 m ; V = 20 m/s
dit : α = ...???
jawab :
tan α = V^2/g.R = 20^2/10.(40√3) = 400/40√3 = √3/3
α = arc tan (√3/3) = 30 derajat. (jawab : A)