Rondo ma 15m (promień). Jadący po nim w kółko samochód o masie 1,5t dostaje przyśpieszenia dośrodkowego 1,8 m/s kwadrat. Oblicz a)T b)f c) v d)w e)Fr
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r = 15m
m = 1,5t = 1500kg
a = 1,8m/s²
a = v²/r =? v = √ar
v = √1,8m/s² x 15m ≈ 5,2m/s
T = 2πr/v
T = 2 x 3,14 x 15m/5,2m/s ≈ 18,12s
f = 1/T
f = 1/18,12s ≈ 0,06Hz
v policzone
w - chyba chodzi o prędkość kątową
ω = v/r
ω = 5,2m/s/15m = 0,35 rad/s
F = mv²/r
F = 1500kg x (5,2m/s)²/15m = 2704N
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