Calculate the electrical energy consumed by 1200 w toaster in 30 min

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Estimate of the number of stars in our galaxy

Which best describes the weak nuclear force? it maintains attraction between the m ecules in liquids. it attracts the nucleus of one atom to the nucleus of another atom. it pulls all matter in the universe together it keeps particles that make up protons and neutrons together