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System shown in figure is released from ...

System shown in figure is released from rest. Pulley and spring are massless and friction is absent every where. The speed of 5 kg block when 2 block leaves a contact with ground is `[k=40N/m"and" g=10ms^(-2)]`

A

`sqrt(2)ms^(-1)`

B

`2sqrt(2)ms^(-1)`

C

`2ms^(-1)`

D

`4sqrt(2)ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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