The diagram shows a tank that is filled with oil. the density of the oil is 920kg/m³. a. calculate the volume of the tank from the dimensions shown in the diagram. (2,0m×1,5m×1,0m)
b. calculate the weight of the oil in the tank
c. the pressure on the bottom of the tank is caused by the weight of the oil. calculate the pressure using P=F/A

dopamine..

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here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be