A boy rides a bike at a constant speed 3 m/s by applying a force of 100 N. How much work will be done during 100 seconds?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Describe cytokinesis in plants and animals. in animals: in plants.

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.