Centre of Mass & Rotational Motion · JEE Main previous year questions

2016 2 questions

1. Q382016 · 3 Apr 2016 · Shift 1
   
   1. A.go straight
   2. B.turn left and right alternately
   3. C.turn left
   4. D.turn right
   Show answer

   Answer: C

2. Q542016 · 3 Apr 2016 · Shift 1
   
   1. A.$\vec{L}=mv\left[\frac{R}{\sqrt{2}}+a\right]\hat{k}$ when the particle is moving from B to C.
   2. B.$\vec{L}=\frac{mv}{\sqrt{2}}R\hat{k}$ when the particle is moving from D to A.
   3. C.$\vec{L}=-\frac{mv}{\sqrt{2}}R\hat{k}$ when the particle is moving from A to B
   4. D.$\vec{L}=mv\left[\frac{R}{\sqrt{2}}-a\right]\hat{k}$ when the particle is moving from C to D.
   Show answer

   Answer: B, D