How much extra water does a 21.5 ft, 175-lb concrete canoe displace compared to an ultra-lightweight 38-lb kevlar canoe of the same size carrying the same load?

The volume of the extra water is

Solution:

As per the question:

Mass of the canoe,

Height of the canoe, h = 21.5 ft

Mass of the kevlar canoe,

Now, we know that, bouyant force equals the weight of the fluid displaced:

Now,

                                 (1)

where

V = volume

= density

m = mass

Now, for the canoe,

Using eqn (1):

Similarly, for Kevlar canoe:

Now, for the excess volume:

V =

V =

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