If an object is stretched beyond the elastic limit, it enters the _______ on an applied force versus elongation graph for a typical metal.
A)
elastic region
B)
proportional region
C)
plastic region
D)
ultimate strength region
E)
breaking region
Question 2
Is it possible to have a zero electric field value between two positive charges along the line joining the two charges?
A)
Yes, if the two charges are equal in magnitude.
B)
Yes, regardless of the magnitude of the two charges.
C)
No, a zero electric field cannot exist between the two charges.
D)
cannot be determined without knowing the separation between the two charges
E)
cannot be determined without knowing the magnitude of the charges