Question

Un pendul elastic cu masa m=1kg are in timpul miscarii viteza maxima vmax=0,1m/s si acceleratia maxima amax=2m/s2.Calculeaza constanta elastica

Answer 1

v max = ω * A
a max = $ω^{2}$* A
Le imparti si rezulta: a max/ v max = ω ⇒ 
ω=2/0,1 = 20 rad/s
k=$ω^{2}$ *m = 400*1=400 N/m