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A massless spring with a force constant ...

A massless spring with a force constant `K = 40N//m` hangs vertically from the ceiling.A `0.2 kg` block is attached to the end of the spring and held in such a position that the spring has its natural length and suddenly released. The maximum elastic strain energy stored in the spring is `(g=10 m//s^(2))`

A

`0.1 J`

B

`0.2 J`

C

`0.05 J`

D

`0.4J`

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`PE = 1/2 kx^(2), k = mg/x`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (C.W)
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  2. Match the following {: ( "Column I", " Column II"),(" (A) Example o...

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  3. A massless spring with a force constant K = 40N//m hangs vertically fr...

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  4. A block of mass m moving at a speed v compresses as spring thrugh a di...

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  5. A bead of mass 1/2 kg starts from rest from A to move in a vertical pl...

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  7. Velocity-time graph of a particle of mass (2 kg) moving in a straight ...

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  9. A force F = Ay^(2)+By+C acts on a body at rest in the Y-direction. The...

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  11. In the fig. The potential energy U of a particle plotted against its p...

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