Which of the situations described below is explained by the electrical force A) A compass needle swings around so that it points due north
B) A rock sits at rest on the side of a hill, despite the gravitational force.
C) A child's hair stands on end after she removes a stocking cap on a cold day.
D) A race car traveling around a curve is pressed down into the banked track.​

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.