Question
A frictionless wire AB is fixed on a circular frame of radius R. A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is
Answer: Option C
:
C
∠ABC=900Acceleration along AB isa=gcosθDistance travelled isAB=2RCosθWe have2RCosθ=12×gcosθt2⇒t=2√Rg
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C
∠ABC=900Acceleration along AB isa=gcosθDistance travelled isAB=2RCosθWe have2RCosθ=12×gcosθt2⇒t=2√Rg
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