Question

An aquarium 12m long, 4m wide, and 8m deep is full of water. The density of water is 1000kg/m³ and the force of gravity is 9.8m/s²,

a) Find the work needed to pump all of the water out of the aquarium.

Work =

Joules.

b) Find the work needed to pump half of the water out of the aquarium.

Work =

Joules.

Question image 1