A spring of natural length 80cm with a l...

A spring of natural length `80cm` with a load has a length of `100cm`. If it is slightly pulled down and released its period will be

0.9s

0.81s

Text Solution

Verified by Experts

The correct Answer is:

`T = 2pi sqrt(("elongation")/(g)) = 2pi sqrt((0.2)/(9.8)) = (2 pi)/(7) = 0.9 s`

Topper's Solved these Questions

OSCILLATIONS
NARAYNA|Exercise EXERCISE - I (H.W)|66 Videos
OSCILLATIONS
NARAYNA|Exercise EXERCISE - II (C.W)|27 Videos
OSCILLATIONS
NARAYNA|Exercise C. U . Q|75 Videos
NEWTONS LAWS OF MOTION
NARAYNA|Exercise PASSAGE TYPE QUESTION|6 Videos
PHYSICAL WORLD
NARAYNA|Exercise C.U.Q|10 Videos

Similar Questions

Explore conceptually related problems

A lens has a focal length of, -10cm . What is the power of the lens and what is its nature?

Certain weight is attached with a spring. It is pulled down and then released. It oscillates up and down. Its K.E. will be

A thin lens has focal length of, -25 cm. What is the power of the lens and what is its nature?

When a mass m is hung on a spring, the spring stretched by 6 cm. If the loaded spring is pulled downward a little and released, then the period of vibration of the system will be

When a weight of 2kg is suspended from a spring, its length increases by 3 cm. If the weight is further pulled down by 12 cm and then released, it executes S.H.M. What will be the period of oscillation of the arrangement ? Also calculate the potential energy of the spring .

A steel sprial spring has on unstreched length of 8cm and when a mass is hung o it, its length becomes 10cm. Calculate the periodic time of the oscillation that would occur if the masss were displaced vertically.

A pole is floating in a liquid with 80 cm of its length immersed. It is pushed doun a certain distance and then released. Time period of vertical oscillation is

A spring with natural length l_0 has a tension T_1 when its length is l_1 and the tension is T_2 when its length is l_2 .The natural length of spring will be:

When a 20 g mass hangs attached to one end of a light spring of length 10 cm, the spring stretches by 2 cm. The mass is pulled down until the total length of the spring is 14 cm. The elastic energy, (in Joule) stored in the spring is :

NARAYNA-OSCILLATIONS-EXERCISE - I (C.W)

The period of a simple pendulum is found to increases by 50% when the ...
Text Solution
|
In a spring block system if length of the spring is increased by 4%, t...
Text Solution
|
A spring of natural length 80cm with a load has a length of 100cm. If ...
Text Solution
|
A spring of force constant k is cut into two equal parts, and mass 'm'...
Text Solution
|
A spring of force constant k is cut into two parts whose lengths are i...
Text Solution
|
A mass M is suspended from a spring of negligible mass. The spring is ...
Text Solution
|
Two masses m(1)and m(2) are suspended from a spring of spring constant...
Text Solution
|
When a body of mass 1.0 kg is suspended from a certain light spring ha...
Text Solution
|
A spring of spring constant 200N//m has a block of mass 1kg hanging at...
Text Solution
|
A spring balance has a scale that reads 0 to 20kg. The length of the s...
Text Solution
|
A body of mass 'm' is suspended to an ideal spring of force constant '...
Text Solution
|
Infinite springs with force constants k, 2k, 4k, 8k,….. respectively a...
Text Solution
|
The amplitude of oscillation of particles in SHM is sqrt(3)cm. The dis...
Text Solution
|
The total energy of a particle executing simple harmonic motion is 16J...
Text Solution
|
Find the average kinetic energy of a simple harmonic oscillator if its...
Text Solution
|
For a particle executing SHM, the kinetic energy (K) is given by K = K...
Text Solution
|
A body is executing SHM under the action of force whose maximum magnit...
Text Solution
|
In dampled oscillation , the amplitude of oscillation is reduced to ha...
Text Solution
|
A particle, with restoring force proportional to displacement and resu...
Text Solution
|
In forcd oscillation of a particle, the amplitude is maximum for a fre...
Text Solution
|