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CBSE - IX - Physics - Force and Laws of Motion

question:

Asked by ayushikas 12th March 2010, 2:45 PM
Answered by Expert

Answer:

range 0-250 gwt, least count 2.5 gmt.

Radius = 2 cm = 0.02 m

Volume of sphere = 4πR3/3 = 4π(0.02)3/3 = 33.5 x 10-6 m3

Mass of sphere = ρV = 7x103x33.5x10-6 =  234.5 gm = 234.5 gwt.

So it's within the range of 0-250 gwt, spring balance, and it has the same least count as 0-500 gwt. But it'll be easier to read on 0-250 gwt.

Regards,

Team,

TopperLearning.

Answered by Expert 13th March 2010, 3:57 PM

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