If an object moves 40 m north, 40 m west, 40 m south, and 40 m east, what's the total displacement? a. 80 m b. 0 m c. 160 m d. 40 m

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Asatellite with an orbital period of exactly 24.0 h is always positioned over the same spot on earth. this is known as a geosynchronous orbit. television,communication, and weather satellites use geosynchronous orbits. at what distance would a satellite have to orbit earth in order to have a geosynchronous orbit?

Which insurance would contradict the big bang theory