Which particle in an atom create a tiny magnetic field when it spins? •electron •nucleus •proton •neutron

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

What is an aquifer for science class

If the pressure in a gas is doubled while its volume is held constant. true or false