A 51.0 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 250 N . For the first 10.0 m the floor is frictionless, and for the next 11.0 m the coefficient of friction is 0.21. What is the final speed of the crate?

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.