Aprojectile of mass 64 is shot from the surface of planet z with mass 4.34 x 1024 kg and radius 5.91 x 106 m by means of a very powerful cannon. if the projectile reaches a height of 3.08 x 105 m above planet z's surface, what was the speed of the projectile when it left the cannon?

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.