Two descriptions for a sub-atomic particle are listed below: Description 1: Can electrically attract or repel other sub-atomic particles
Description 2: Has a charge

Which sub-atomic particle or particles fit these descriptions?

Electrons only
Neutrons only
Electrons and protons
Protons and neutrons

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

Asimple electrochemical cell contains two electrodes? t or f