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A small block of wood of density 0.4xx10...

A small block of wood of density `0.4xx10^(3)kg//m^(3)` is submerged in water at a depth of `2.9m`. Find
(a) the acceletation of the block towards the surface when the block is released and
(b) the time for the block to reach the surface, Ignore viscosity.

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A, C
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