If you were deciding on a main energy resource for a factory you owned, which type would you select and why? (23pts) if you give me a good explanation and reason ill give you brainliest!!

Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2

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.

The mantle is made up of which structural zones?