Aconical tank is resting on its apex. the height of the tank is 18 ft, and the radius of its top is 3 ft. 18) the tank is full of gasoline weighing 45 lb/f3. how much work will it take to pump the gasoline to a level 18 ft above the cone's top? give your answer to the nearest ft. lb. a) 68,707 ft lb b) 320,631 ft. lb c) 171,767 ft . lb 34,353 ft. lb

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.