Question

Punkt zakresla okrag o promieniu 3m w ciagu 2 minut zakreslil 4800 okregow. Oblicz F , V i T

Answer 1

R=3m
t=2min=120s
n=4800

f=?
V=?
T=?

f=n/t=4800/120s=40 1/s=40 Hz
T=1/f=1/40 1/(1/s) =1/40s
V=s/t=2πR/T=(2*3,14*3m)/(1/40 s)=753,6 m/s