10) A student walks 1.0 kilometer due cast east and 9.0 kilometer due south. Then she runs 13.0 kilometers due west. The magnitude of the student's resultant displacement is. a)15 km b)5.0 km
c) 6.0 km
d) 9.0 km

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.