A tank has the shape of an inverted right circular cone of depth 5 meters and radius 2 meters. This is filled with water up to 1meter from the top. What is the amount of work required to pump all the water to a level 2 meters above the top of the tank? A W = 1568 (7-y) y² dy 4 B = f* (7-y) y² dy Sª 4 S* (7-y) y² dy √ (7-9) ( 12 )² 45 dy * | = W = 9800 T W = 1568 D none of the choices E W = 9800

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