Consider a disc rolling with out slipping on a horizontal surface at a speed V as shown in figure.
1) the speed of the particle at A is 2V.
2) the speed of the particle and B,C and D is equal to V
3) The speed of C is zero and the speed of B is $\sqrt 2 V
4) the speed of 0 is less then the speed of V which is the correct answer? - Clay6.com, a Free resource for your JEE, AIPMT and Board Exam preparation

Consider a disc rolling with out slipping on a horizontal surface at a speed V as shown in figure.
1) the speed of the particle at A is 2V.
2) the speed of the particle and B,C and D is equal to V
3) The speed of C is zero and the speed of B is $\sqrt 2 V
4) the speed of 0 is less then the speed of V which is the correct answer?