Physics, asked by bigthrusher, 1 year ago

The time period of oscillation of a mass M, hanging from a spring of force constant K is T When additional mass m is attached to the spring, the period of oscillation becomes 5T/4. Then m/M IS

Answers

Answered by abhi764
3
m/ M will become more as it is attached by extra mass
Answered by ariston
3

Given:

Mass hanging from the spring = M

Spring constant = K

Period of oscillation = T

New period of oscillation = \frac{5T}{4}

Mass which is added = m

To find:

Ratio  \frac{m}{M}

Formula Used:

Period of oscillation of spring mass system is given as follows:

T=2\pi \sqrt{\frac{M}{K}     ....(1)

Calculations:

When, mass m is added, new period becomes:

\frac{5T}{4} = 2\pi \sqrt{\frac{m+M}{K}     ....(2)

Divide (2) by (1), square both sides and solve:

\frac{25}{16}=\frac{m+M}{M}\\\frac{25}{16}=\frac{m}{M}+1\\\frac{m}{M} = \frac{25}{16}-1\\\frac{m}{M}=\frac{9}{16}

Thus, the ratio \frac{m}{M}=\frac{9}{16}

Learn more about: Spring-mass system

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