Q35 solve karo only meritnation experts

Dear Student, 
Please find below the solution to the asked query: 
Radius of circular path:r=D2  =1052  =52.5 mCircumeference of circular path:C=2πr    =2π×52.5    =329.9 mDistance travelled in 7 min 30 s:d1=1.5c     =1.5×329.9     =494.8 mDisplacement in 7 min 30 s:d2=Diameter     =105 mSpeed:v1=d1t     = 494.87.5       =65.9 m/sVelocity:v2=d2t     = 1057.5       =14 m/s
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