Which if the following statements about streamlining is accurate? a. streamlining is the process of modifying only the frontal area to reduce drag.
b. Streamlining increases the low pressure area in the rear to push the car forward.
c. Streamlining will help an object in motion to cut through the air with less drag force
d. Streamlining increases air separation, thus reducing the drag coefficient.

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