n = 4 t = 1 s r = 20 cm = 0,2 m V , a = ? V = 2πr / T T = t /n T = 1 s /4 T = 0,25 s V = 2 * 3,24 * 0,2 m / 0,25 s V = 5,024 m/s a = V² / r a = ( 5,024 m/s ) / 0,2 m a ≈ 126,2 m/ s²
Dane: n=4 r=20cm=0,2m Oblicz: a=? V=? T=? Rozwiązanie: [latex]T=frac{t}{n}\\ T=frac{1}{4}\\ T=0,25s\\ omega=frac{2 pi}{T}\\ omega=frac{2*3,14}{0,25}\\ omega=frac{6,28}{0,25}\\ omega=25,12frac{rad}{s}[/latex] [latex]V=omega r\\ V=25,12*0,2\\ V=5,024frac{m}{s}[/latex] [latex]a=frac{V^2}{r}\\ a=frac{5,024^2}{0,2}\\ a=frac{25,24}{0,2}\\ a=126,2frac{m}{s^2}[/latex]
