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A tray of mass 12 kg is supported by two...

A tray of mass 12 kg is supported by two identical springs as shown in figure. When the tray is pressed down slightly and released, it executes SHM with a time period of 1.5s. What is the force constant of each spring?When a block of mass m is placed on the tray , the period of SHM changes to 3.0s. What is the mass of the block ?

A

`18 kg`

B

`36 kg`

C

`9kg`

D

`27 kg`

Text Solution

Verified by Experts

The correct Answer is:
B

`(T')/(T) = sqrt((M+m)/(M))`
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