Mechanics11/Seite14/Loesung5.9

a)

m = 0.80kg

r = 50cm = 0,50m

v = 3,4m/s

F_ZF = m * v²/r

tan alpha = F_ZF/F_G = (m * v²/r) / (m * g) = v²/(r * g) = (40 : 3,6)²/(20 * 9,81) = 0,629

=> alpha = 32°

--Chantal 08:09, 10 July 2008 (UTC)