An object moving at a constant speed in a circular path is constrained to that path due
A. an inwardly directed centripetal force.
B. an outwardly directed centrifugal force.
C. a force that is directed tangent to the circular path.
D. No force acts on objects that move in circular paths because the speed is constant.
Under a set of simplifying assumptions, Newtonian Physics is a special simplified case of:
B. quantum mechanics.
C. both of the above choices.
D. none of the above choices.
Which element has an isotope with 43 neutrons and a mass number of 76?