Questions waiting to be answered at

Can you answer these? A bullet of mass m is fired with a velocity v and strikes a a block of mass M suspended by a string of length L. the bullet gets embedded in the block. What is the angle the the block makes due to the impact?   Why planets revolve around their … Continue reading Questions waiting to be answered at

Electric Generator

An electric  generator works on the principle of electromagnetic induction. When a coil is rotated in the presence of a strong magnet, electricity is produced.See the video below for demonstrating a simple electric generator.