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A large stone block is to be part of a harbour wall. The block is supported beneath the surface of the sea by a cable from a crane. Fig 2.1 shows the block with its top face a distance h beneath the surface of the sea.

A large stone block is to be part of a harbour wall The block is supported beneath the surface of the sea by a cable from a crane Fig 21 shows the block with it class=

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sonamshah672

Answer:

The top of the block has an area of 0.25m².

i) a Calculate the pressure on the top face of the block.

ii) The atmospheric pressure is 1.0 × 10⁵ Pa.

Calculate the pressure on the top face of the block due to the depth h of water.

iii) The density of sea water is 1020kg/m³.

Calculate the depth h.

EricQi

Answer:

P=F/A, P is for pressure, F is for force, and A is for area, I can't really see half of the picture so I don't know the figures but just substitute them in and rearrange the equation if you have to. Good luck :))

Explanation: