IIT JEE PROBLEM: The time dependence of position of a particle of mass m is given by

The time dependence of the position of a particle of mass m = 2 is given by vec(r) (t) = 2t hat(i) - 3 t^(2) hat(j) Its angular momentum, with respect to the origin, at time t = 2 is :

The time dependence of the position of a particle of mass m = 2 is given by vec(r) (t) = 2t hat(i) - 3 t^(2) hat(j) Its angular momentum, with respect to the origin, at time t = 2 is :

The reduce mass of two particles having masses m and 2 m is

In the figure given below, the position-time graph of a particle of mass 0.1kg is shown. The impuslse at t=2 sec is

In the figure given below, the position time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is

Two particles of a mass 2m and m are tied with an inextensible string the particle of mass m is given a speed V as shown in the figure. Find the speed with which the particle of mass 2m starts moving.

Two particles of a mass 2m and m are tied with an inextensible string the particle of mass m is given a speed V as shown in the figure. Find the speed with which the particle of mass 2m starts moving.

In the figure, the position time graph of a particle of mass 0.1 kg is shown. The impulse at t=2 second is :

The potential energy of a particle of mass 2 kg moving in a plane is given by U = (-6x -8y)J . The position coordinates x and y are measured in meter. If the particle is initially at rest at position (6, 4)m, then

The figure shows the position time graph of a particle of mass 40 kg. What is the force acting on the particle of 0lttlt4 s