a body weighs 6kgwt in air and 4kgwt when fully immersed in water. find the volume of the body
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Answer:
Weight of the body in air =500gf
Weight of the body in water =450gf
∴ (i) loss of weight of the body when immersed in water =500gf−450gf=50gf.
(ii) upthrust of the body=loss in weight of the body =50gf.
(iii) upthrust =Vdg
⇒50gf×g=V×1gcm
−3
×g(densityofwater=1gcm
−3
)
⇒volumeofthebodyV=50cm
3
.
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