Questions
A substance breaks down under a stress of Pa. If the density of the substance is , find the minimum length of the wire made of this substance which will break under its own weight (g= 10 )
detailed solution
Correct option is D
mgA=105⇒ALρgA=105⇒L=105ρg=5mSimilar Questions
Two springs of spring constants are joined in series. The effective spring constant of the-combination is given by:
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