An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is horizontal. If the tank is half full of oil having mass density 750 kg per cubic meter, find r if the total force on one end of the tank due to liquid pressure is 80000 N. O a. 1.5 meters O b. None of the choices. O c. 4.5 meters O d. 3.5 meters O e. 2.5 meters
An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is horizontal. If the tank is half full of oil having mass density 750 kg per cubic meter, find r if the total force on one end of the tank due to liquid pressure is 80000 N. O a. 1.5 meters O b. None of the choices. O c. 4.5 meters O d. 3.5 meters O e. 2.5 meters
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Transcribed Image Text:An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is horizontal. If the tank is half full
of oil having mass density 750 kg per cubic meter, find r if the total force on one end of the tank due to liquid pressure is
80000 N.
O a. 1.5 meters
O b. None of the choices.
O c. 4.5 meters
O d. 3.5 meters
Oe.
2.5 meters
The ends of a trough are equilateral triangles having sides with length 4 ft. If the water in the trough is 1 ft deep, find the
force due to water pressure on one end.
O a.
None of the choices.
O b. 28.459 lb
O c. 14.229 lb
O d. 6.014 lb
O e.
12.028 lb
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