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Physics, 15.07.2021 16:00 blkj9978

A book rest on a table which it's face having a sides 30cm by 25cm . if it exerts apressure of 200pa then determine the mass of the block.​

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A book rest on a table which it's face having a sides 30cm by 25cm . if it exerts apressure of 200pa...
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