A person walks 60.0 m and then he walks 130 m. a) What is the person's displacement if they walk east then west?
b) What is the person's displacement if he walks east both times?
c) What distance does the person walk in each case?

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.