A spring has a natural length of 50 cm and a force constant of 2.0 × 10' Nm. A body of mass 10 kg is suspended from the spring. (i) What is the stretched length of the spring? (ii) If the body is pulled down further stretching the spring to a length of 58 cm, and then released, what is the frequency and amplitude of oscillation. Neglect the mass of the spring.

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A spring has a natural length of 50 cm and a force
constant of 2.0 × 10´ Nm'. A body of mass 10 kg is
suspended from the spring. (i) What is the stretched
length of the spring? (ii) If the body is pulled down
further stretching the spring to a length of 58 cm, and
then released, what is the frequency and amplitude of
oscillation. Neglect the mass of the spring.
Transcribed Image Text:A spring has a natural length of 50 cm and a force constant of 2.0 × 10´ Nm'. A body of mass 10 kg is suspended from the spring. (i) What is the stretched length of the spring? (ii) If the body is pulled down further stretching the spring to a length of 58 cm, and then released, what is the frequency and amplitude of oscillation. Neglect the mass of the spring.
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