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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Oscillations

Olympiad workbook · NSEP · Oscillations

A vertical spring of length l_0 and force constant K is stretched...

A vertical spring of length

l_0

and force constant

K

is stretched by

l

when a mass

m

is suspended from its lower end. By pulling the mass down a little the system is left off to oscillate. The time period of oscillation is

Options

A $2 \pi \sqrt{\frac{l}{g}}$
B $2 \pi \sqrt{\frac{l_0}{g}}$
C $\frac{1}{2 \pi} \sqrt{\frac{m}{K}}$
D $2 \pi \sqrt{\frac{l+l_0}{g}}$

Correct answer

A. $2 \pi \sqrt{\frac{l}{g}}$

Step-by-step solution

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