If mary is 3m from her reflection, how far is mary from the mirror?

Along, straight wire with 3.0 a current flowing through it produces magnetic field strength 1.0 t at its surface. if the wire has a radius r, where within the wire is the field strength equal to 36.0% of the field strength at the surface of the wire? assume that the current density is uniform throughout the wire

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?