Asked by | 12th Jan, 2009, 08:24: PM
Remember that the volume of the sphere which is dropped into the water is the same as the rise in volume in the vessel.
Let r be the radius of the vessel.Remember that r is nor what you need finally , it's the daimeter =2r which is going to be our final answer.So as a precaution underline the word diameter in the question both times to remind you of the same.
So, the rise in volume=
Solving, we get,
So, diameter=18 cm.
Answered by | 13th Jan, 2009, 12:43: PM
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