A body weighs w gf in air and w, of when
completely immersed in water. Find :) volume of
body. (ii) upthrust on the body. (iii) relative density
material of the body.
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Answer:Volume of body is equal to the volume of water displaced.
V
b
=V
w
=1000 cm
3
=0.001 m
3
(ii) :
Upthrust B=V
b
ρ
w
g=0.001×1000×10=10 N
(iii) :
True weight W=3.5×10=35 N
Apparent weight W
a
=W−B=35−10=25 N or 2.5 kg
Explanation:
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