Name the method in which each user is assigned with an

A 5 kg block at rest is hit by a 0.1 kg bullet moving at 500 m/s. The bullet gets embedded into the block. What is their final velocity?

Find the force exerted on a body of mass 2 kg moving with an acceleration of 3 m/s².

What is the rate of change of momentum called?

A lens forms an image of magnification -2. If the object is placed 15 cm from the lens, what is the image distance?

What term refers to the superposition of two or more coherent waves to produce regions of maxima and minima?

What is the principle behind the working of a transformer?  

Calculate the kinetic energy of a body of mass 5 kg moving with a velocity of 4 m/s.

A transistor works as an amplifier only when:

In a convex lens, when the object is at infinity, then the position of image is ______.

If the vector sum of torques acting on a system is zero, then the object is in ________.