When body of mass $m$ is suspended from a spiral spring and spring gets stretched through a distance $20\, cm$ if it is stretched below $20\, cm$ and leave then what is period of oscillation ?
When body of mass $m$ is suspended from a spiral spring and spring gets stretched through a distance $20\, cm$ if it is stretched below $20\, cm$ and leave then what is period of oscillation ?
$\mathrm{T}=2 \pi \sqrt{\frac{l}{g}}$ $=2 \pi \sqrt{\frac{20}{980}}=2 \pi \times \sqrt{\frac{1}{49}}$ $\mathrm{~T}=\frac{2 \times 22}{7} \times \frac{1}{7}=\frac{44}{49}s$
Similar Questions
In a seconds pendulum, mass of bob is $30\, gm$. If it is replaced by $90\, gm$ mass. Then its time period will .... $\sec$
In a seconds pendulum, mass of bob is $30\, gm$. If it is replaced by $90\, gm$ mass. Then its time period will .... $\sec$
If the time period of a two meter long simple pendulum is $2\, s$, the acceleration due to gravity at the place where pendulum is executing $S.H.M.$ is
If the time period of a two meter long simple pendulum is $2\, s$, the acceleration due to gravity at the place where pendulum is executing $S.H.M.$ is
- [JEE MAIN 2021]
The period of oscillation of a simple pendulum of length $L$ suspended from the roof of a vehicle which moves without friction down an inclined plane of inclination $\alpha$, is given by
The period of oscillation of a simple pendulum of length $L$ suspended from the roof of a vehicle which moves without friction down an inclined plane of inclination $\alpha$, is given by
- [IIT 2000]
A clock which keeps correct time at ${20^o}C$, is subjected to ${40^o}C$. If coefficient of linear expansion of the pendulum is $12 \times {10^{ - 6}}/^\circ C$. How much will it gain or loose in time
A clock which keeps correct time at ${20^o}C$, is subjected to ${40^o}C$. If coefficient of linear expansion of the pendulum is $12 \times {10^{ - 6}}/^\circ C$. How much will it gain or loose in time
If the length of second pendulum becomes $\frac{1}{3}$ what will be its periodic time ?
If the length of second pendulum becomes $\frac{1}{3}$ what will be its periodic time ?