An aquarium $3 \mathrm {~m}$ long, $1 \mathrm {~m}$ wide, and $1 \mathrm {~m}$ deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use the facts that the density of water is $1000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ and $g \approx 9.8$.)
Select the correct answer.
A) $7,350 \mathrm {~J}$
B) $14,700 \mathrm {~J}$
C) $29,400 \mathrm {~J}$
D) $4,900 \mathrm {~J}$
E) $3,675 \mathrm {~J}$

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The Answer of An aquarium $3 \mathrm {~m}$ long, $1 \mathrm {~m}$ wide, and $1 \mathrm {~m}$ deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use the facts that the density of water is $1000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ and $g \approx 9.8$.)
Select the correct answer.
A) $7,350 \mathrm {~J}$
B) $14,700 \mathrm {~J}$
C) $29,400 \mathrm {~J}$
D) $4,900 \mathrm {~J}$
E) $3,675 \mathrm {~J}$

An Aquarium 3 m3 \mathrm {~m}3 m Long 1 m1 \mathrm {~m}1 m Wide, And 1 m1 \mathrm {~m}1 m

An Aquarium $3 \mathrm {~m}$ Long $1 \mathrm {~m}$ Wide, And $1 \mathrm {~m}$