When jenny writes, the pencil exerts a force of 5n on the paper. the area of the contact is 0.5mm square. calculate the pressure.

t.                 w               e                 n                   t                 y                 c             h               a           r           a               c                 t             e             r             s        

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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