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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)

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 Author Topic: areas and volumes of solids  (Read 20628 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
IKAY
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 « Embed this message on: May 10, 2008, 09:28:20 pm »

hi there!could you pls.help me find the solution for this prob?

q)find the mass of a lead ball having a diameter of 15cm.a cubic metre of lead has a mass of 11 422kg.
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Fu-Kwun Hwang
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 « Embed this message Reply #1 on: May 10, 2008, 10:50:36 pm »

Do you know the definition of density?

If you find the denisity of lead and calculate the volume of object, you will find the mass of the object.
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schoolreviews
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 « Embed this message Reply #2 on: October 10, 2011, 02:00:59 pm » posted from:-,-,OMAN

The density  of a material is  mass per unit volume.
p=m/v

Based on this  you can  find it.
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diinxcom
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 « Embed this message Reply #3 on: December 14, 2014, 06:03:59 pm » posted from:,,Satellite Provider

Mr. Hwang has reply...
I go back
-*-
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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)