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Three masses of 500 g, 300 g and 100 g a...

Three masses of `500 g`, `300 g` and `100 g` are suspended at the end of a spring as shown and are in equilibrium. When the `500 g` mass is removed suddenly, the system oscillates with a period of `2 s`. When the `300 g` mass is also removed, it will oscillate with period `T`. Find the value of `T`.

A

1 s

B

2 s

C

3 s

D

4 s

Text Solution

Verified by Experts

The correct Answer is:
A
`2 = 2pi sqrt((0.3 + 0.1))/(k))` ….(i)
`T = 2pi sqrt ((0.1)/(k))` …(ii)
Solving these two equation we get,
`T = 1 s`
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