A mass is attached to a vertical spring, which then goes into oscillation. At th

Question

A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, the spring is in the original unstretched equilibrium position it had before the mass was attached; the low point is  9.8 cm below this.             What is the period of oscillation? A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, the spring is in the original unstretched equilibrium position it had before the mass was attached; the low point is  9.8 cm below this.             What is the period of oscillation?             What is the period of oscillation?

Explanation / Answer

kx = mg at equilibrium

mean point is at 4.9 cm

w= sqrt (k/m)

from above equation

k/m = 9.8 /(4.9 * 10^-2)

= 200

w= 14.14 rad/sec

T = 2*pi/w

T= 0.444 sec

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