A disc is rolling without slipping on a surface. The radius of the disc is $R$ . At $t=0$ , the top most point on the disc is $\mathrm{A}$ as shown in figure. When the disc completes half of its rotation, the displacement of point $A$ from its initial position is

Question

A disc is rolling without slipping on a surface. The radius of the disc is

R

. At

t=0

, the top most point on the disc is

\mathrm{A}

as shown in figure. When the disc completes half of its rotation, the displacement of point

A

from its initial position is
A disc is rolling without slipping on a surface. The radius of the disc is R . At t=0 , the top most point on the disc

Quantrex Academy · Accepted Answer

Correct answer: A. R (π^2+4)

(a) From figure, Displacement, BA= (2 R)^2+(π R)^2 =R 4+π^2

A disc is rolling without slipping on a surface. The radius of the...