A solid disc and a ring, both of radius `10 cm` are placed on a horizontal table simultaneously, with initial angular speed equal to `10 pi rad//s`. Which of the two will start to roll earlier ? The coefficient of kinetic friction is `mu_(k) = 0.2`.

A solid disc and a ring, both of radius 10 cm are placed on a horizontal table simultaneously, with initial angular speed equal to 10 pi rad s^-1 . Which of the two will start to roll earlier ? The co-efficient of kinetic friction is mu_k=0.2 .

A solid disc and a ring, both of radius 10 cm are placed on a horizontal table simultaneously, with initial angular speed equal to 10 π" rad s"^(-1) . Which of the two will start to roll earlier ? The co-efficient of kinetic friction is µ_(k) = 0.2 .

A solid disc and a ring, both of radius 10 cm are placed on a horizontal table simultaneously, with initial angular speed equal to 10 π" rad s"^(-1) . Which of the two will start to roll earlier ? The co-efficient of kinetic friction is µ_(k) = 0.2 .