1.

w post Port 8 P. x ubed rolls down without slegung3A wheel of radius 'R' is placed on ground and its contact point is P. If wheel rolls down without slippicompleting half a revolution, find the displacement of point Rli

Answer»

displacement by a whole circle = 2πR displacement by the half circle = 2πR/2= πR

displacement by whole circle= 2ΠRdisplacement by half circle =2ΠR/2=ΠR

answer is r root pi2 +4



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