A small block of wood, of specific gravi...

A small block of wood, of specific gravity 0.4 is submerged in water at a depth of 2.9 m. If the block is released from rest. Then choose the correct alternative(s).

Acceleration of block towards the surce is `14.7 m//s^(2)`

Velocity of block after 3 s is `29.4 m//s`

Time taken by the block to reach the surface is 0.63 s

Time taken by the block to reach the surface is 2.74 s

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The correct Answer is:

A, C

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