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

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)