FIZYKA PILNE KTOS POMOŻE Z ZADANIEM 2

t = 1 min = 60 s m = 60 kg r = 12 m Fd = Fc n = ? 1. obl. wartość siły dośrodkowej = ciężarowi pasażera Fd = F = m * g Fd = 60 kg * 10 N/kg = 600 N 2. obl n [latex]Fd = frac{mV^2}{r } [/latex] [latex]V= frac{2 pi r}{T} ..... extgreater T = frac{t}{n} [/latex] [latex]V = frac{2 pi rn}{t } ........... extgreater V^2= frac{4 pi ^2r^2n^2}{t^2} [/latex] [latex]F_d = frac{m* frac{4 pi ^2r^2n^2}{t^2} }{r} = frac{4 pi ^2mrn^2}{t^2} /* t^2[/latex] [latex]F_d * t^2 = 4 pi ^2mrn^2/:4 pi ^2mr[/latex] [latex]n^2 = frac{F_d*t^2}{4 pi ^2mr} [/latex] [latex]n = sqrt{ frac{600 N * (60 s )^2}{4 * (3,14 )^2*60 kg * 12 m } } = 8,7[/latex]