A particle of mass `5kg` is moving with a velocity of `5m/s` along a straight line `PQ`. A force of 12N acts at right angles to PQ on the particles for 3s .Find the velocity of particle at the end of 3sec

A particle mass 1 kg is moving along a straight line y=x+4 . Both x and y are in metres. Velocity of the particle is 2m//s . Find the magnitude of angular momentum of the particle about origin.

A particle of mass 1 kg has a velocity of 2m//s . A constant force of 2N acts on the particle for 1s in a direction perpendicular to its initial velocity. Find the velocity and displacement of the particle at the end of 1 s.

A body is moving with a velocity 5m//s along a striaght line.A force of 10N is applied to the body perpendicular to the line of motion. If the body is of mass 2kg, then the acceleration of the body along the initial straight line of motion is :

A body of mass 2 kg is moving along x-direction with a velocity of 2 m//sec. If a force of 4 N is applied on it along y-direction for 1 sec, the final velocity of particle willbe-

A particle moves in a straight line with a uniform acceleration a. Initial velocity of the particle is zero. Find the average velocity of the particle in first 's' distance.

A particle is moving with an initial velocity of 2m/s and covers a distance of 20m in 5s. Find (a) acceleration of particle (b) time taken by the particle to attain a velocity of 10m/s.

A particle of mass 2kg moving with a velocity 5hatim//s collides head-on with another particle of mass 3kg moving with a velocity -2hatim//s . After the collision the first particle has speed of 1.6m//s in negative x-direction, Find (a) velocity of the centre of mass after the collision, (b) velocity of the second particle after the collision. (c) coefficient of restitution.

A time varying force, F=2t is acting on a particle of mass 2kg moving along x-axis. velocity of the particle is 4m//s along negative x-axis at time t=0 . Find the velocity of the particle at the end of 4s.

A particle is moving with initial velocity 1m/s and acceleration a=(4t+3)m/s^(2) . Find velocity of particle at t=2sec .

A body of mass 1kg is moving along a straight line with a velocity of 1m//s . The external force acting in the body is