Physics, 13.04.2021 04:00 dani19cano

A 0.156-kg ball is hung vertically from a spring. The spring stretches by 4.18 cm from its natural length when the ball is hanging at equilibrium. A child comes along and pulls the ball down an additional 5cm, then lets go. How long (in seconds) will it take the ball to swing up and down exactly 4 times, making 4 complete oscillations before again hitting its lowest position

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A 0.156-kg ball is hung vertically from a spring. The spring stretches by 4.18 cm from its natural l...