1. reena and her friends were decorating the class bulletin. she dropped the box of stainless steel by mistake. she tried to collect the pins by using a magnet. she could not succeed, what could be the reason?

If a balloon is taken outside on a very cold day, what will occur?

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?