2. Technician A says that when two cars hit head on at 50 mph, it is like hitting a
brick wall at 100 mph. Technician B disagrees and says that it is like hitting a
brick wall at only 50 mph. Who is correct?
A. Technician A
B. Technician B
C. Both A and B
D. Neither A nor B

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct