A=0,5 m
ω=10π rad /s
ω=2πv=>v=ω/2π=5 Hz
T=1/v=1/5 s
φo=π/6
V=ωAcos(ωt+φo)=10π•0,5cosπ/6=1,38 m/s
a=-ω^2Asin(ωt+φo)=-1000•0,5cosπ/6=3,42 m/s^2
Vmax=ωA=10π•0,5 m/s
amax=-ω^2A=-500 m/s^2