A human sky-diver reaches a constant 53 m/s velocity (terminal velocity) on a jump. they have a mass of 70kg

Find the air friction force.

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.