Olympic medals have a diameter of 60mm and a thickness of 3mm. Gold has a density of 19g/cm3 work out the volume of the gold medal and the mass of the gold medal

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground

How can you measure the amplitude of a longitudinal wave?

What happens to the electrostatic force between two charged particles if the distance between them is doubled?