Q17.
Ans:B can you share the method pls!

Dear Student

ac for point Bottommost point R = 0 So, vR =0Sou = RωThusvp = u +Rω = 2uThis is linear velocity at point PSo radius of curvature R' of point PR' =vp2ac =4u2acWhere, ac = u2RR' =4u2u2R =4R
Regards

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