A piece of polystyrene packaging material (density = 19 kgm−3) that has a mass of 0.25 kg is tethered to the bottom of a container of water (density = 1×103 kgm−3) with a piece of string. What is the tension in the string?​

Which of the following represents an upside-down image?

The particles that are found in the nucleus of an atom are

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.