A metal sphere with a mass 5.50kg is connected to a spring with a force constant 225N/m and it oscillates horizontally with an amplitude of 3.70cm what is the total mechanical energy of the sphere spring system

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

Frequency of electromagnetic waves that a radio station is assigned is called

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?