A 750 N skydiver jumps out of an airplane that is flying at an alttitude of 2800m by the skydiver reaches the ground, how much work was done on her by gravity?​

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

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.