On an object of mass 1 kg moving along x-axis with constant speed 8 m/s, a constant force 2 N is applied in positive y-direction. Find its speed after 4 seconds.

A particle of mass m is moving with constant speed v on the line y=b in positive x-direction. Find its angular momentum about origin, when position coordinates of the particle are (a, b).

An object of mass 10kg moves at a constant speed of 10 ms^(-1) . A constant force, that acts for 4 sec on the object, gives it a speed of 2ms^(-1) in opposite direction. The force acting on the object is :

A block of mass 5 kg is moving with a speed of 8 m/s. A force of 10 N is applied on it for 3 s . Find the final speed of the block if the force is applied (i) along the motion , (ii) opposite to the motion and (iii) normal to the initial direction of motion of the block.

A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00ms^(-1) . The magnetude of its momentum is recorded as

A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00ms^(-1) . The magnetude of its momentum is recorded as

A plane mirror is placed along the y-axis such that x-axis is normal to the plane of the mirror. The reflecting surface of the mirror is towards negative x-axis. The mirror moves in positive x-direction with uniform speed of 5 m/s and a point object P is moving with constant speed 3m/s in negative x-direction. find the speed of image with respect to mirror in m/s.

A ball of mass 1kg moving with 4m^-1 along +x-axis collides elastically with an another ball of mass 2kg moving with 6m//s is opposite direction. Find their velocities after collision.

A particle is moving with constant speed v along the line y = a in positive x -direction. Find magnitude of its angular velocity about orgine when its position makes an angle theta with x-axis.

A particle is moving with constant speed v along the line y = a in positive x -direction. Find magnitude of its angular velocity about orgine when its position makes an angle theta with x-axis.