A piston/cylinder has 5m of liquid 20¬¨¬®‚Äö√†√ªC water on top of piston with cross-sectional area of 0.1 m2. Air is let in under the piston that rises and pushes the water out. Find the necessary work to push all the water out.$

A piston/cylinder has 5m of liquid 20¬¨¬®‚Äö√†√ªC water

1.	A piston/cylinder has 5m of liquid 20¬¨¬®‚Äö√†√ªC water on top of piston with cross-sectional area of 0.1 m². Air is let in under the piston that rises and pushes the water out. Find the necessary work to push all the water out.$
A.	62.88 kJ
B.	52.88 kJ
C.	92.88 kJ
D.	42.88 kJ
Answer» B. 52.88 kJ

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A piston/cylinder has 5m of liquid 20¬¨¬®‚Äö√†√ªC water on top of piston with cross-sectional area of 0.1 m2. Air is let in under the piston that rises and pushes the water out. Find the necessary work to push all the water out.$

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A piston/cylinder has 5m of liquid 20¬¨¬®‚Äö√†√ªC water on top of piston with cross-sectional area of 0.1 m². Air is let in under the piston that rises and pushes the water out. Find the necessary work to push all the water out.$