SOLUTION: how much will the water weight in this hemispherical tank, tank is 4 meters long with a radius of.645 meters? the answer i come up with is 4763.5kg,is this correct?

Question 145636: how much will the water weight in this hemispherical tank, tank is 4 meters long with a radius of.645 meters? the answer i come up with is 4763.5kg,is this correct?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The volume is:
where h is the length. It's divided by 2 since it's a hemisphere.
V = (in cubic meters)
V = 2.614 cubic meters
Water weighs 1 gram per cc, or 1 kg per liter. A cubic meter is 1000 liters.
V = 2614 liters, so the weight is:
W = 2614 kg
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