A closed rectangular container with dimensions 4m ×5m ×6m is filled with water. what is the pressure exerted by the water on the bottom face of the container?
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We know,
The total surface area of solid (TSA) = surface area of cubical block + CSA of hemisphere – Area of base of hemisphere
∴ TSA of solid = 6×(side)2+2πr2-πr2
= 6×(side)2+πr2
= 6×(7)2+(22/7)×(7/2)×(7/2)
= (6×49)+(77/2)
= 294+38.5 = 332.5 cm2
So, the surface area of the solid is 332.5 cm2
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