## Class/Course - Class XI

### Subject - Physics

#### Chapter - Conservation of momentum and Collision

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 Dear User, Kindly login/register to view answer & explanation of each question. Click here to Login/Sign Up. Q.1 For the system shown in Figure, the string is light and pulley is frictionless. The 4 kg block is given an upward velocity of 1 m/s. The centre of mass of two blocks will [neglect the impulse duration] accelerate down with g/3. initially accelerate downwars with g and then after some time accelerate down with g/3. initially accelerate with $\vec{g}$ and then the acceleration is 0 initially accelerate with $\vec{g}$ and then with accelerate with g/3.