Question
Fri February 25, 2011 By: Nikson Panigrahi

The wieght of a sphere in air is 70g in tap water is 60g in strong salt solution is 55g. Find the volume of the sphere?

Expert Reply
Sat February 26, 2011
Dear student,
 
Density = mass/ volume
 
w1 = 70g, w2 = 60g, w3 = 55g
 
1 = 60/volume, volume = 60units ( in tap water)
 
density of air at sea level = 1/800 th density of water, density of tap water is approximately equal to 1.
 
1/800 = 70/volume = 56000 units ( in air)
 
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