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help me please i don't understand

Help Me Please I Dont Understand class=

Sagot :

Answer:  let w be the angular frequency

For SHM    w = (k / m)^1/2

w = 2 pi f = 2 pi / T = (k / m)^1/2

(T2 / T1)^2 = k1 / k2

or T2 / T1 = (1 / 2)^2    where x = - k x  and k is the spring constant

if k is doubled then the period decreases by (1 / 2)^1/2