A student pushes horizontally on a book with a force of 2 N, which causes the book to slide at a constant velocity. What is the force of friction on the book?

Abird sitting high in a tree is an example of what type of wnergy

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?