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Pressure synthesis problem set
Pressure synthesis problem set
Calculate the acceleration due to gravity on an unknown planet given that a pressure of 142.4 kPa raises a 7.8 cm
^{2}
column of water 12.6 m high.
Give your answer to the nearest 1/10th of a m/s
^{2}
.
m/s
^{2}
HINT 1
1 kPa = 1000 Pa = 1000 N/m
^{2}
HINT 2
Use the height and area of the column of water to calculate the water's mass
HINT 3
Use the pressure and area of the column of water to calculate the water's weight
HINT 4
mass × gravity = weight
solve for gravity
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