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Bouyancy Question

  • Thread starter robertsa
  • Start date
  • #1
10
0

Homework Statement


Fossilized ichthyosaurus remains enable us to estimate their volume. If we assume that a
3m^3 icthyosaurus was "wightless" when it swam under water. What was its weight in metric tonnes?

Homework Equations


B=Wdisp. lqd ??



The Attempt at a Solution


B=V x density x g
g=9.81
density= 1000 kg/m^3 (assuming fresh water)
V=3m^3

plugging this into the equation would give me B .. not weight??
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
4,433
5
Weightless means
mg = weight of the displaced liquid.
 

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