You are standing on a cliff and kick a rock of the side of the cliff. If it takes 9.6 secs for the rock to fall to the ground, what was the final velocity right before the rock hits the ground?
Don't forget acceleration of gravity is negative.

Which statement best describes how private industry decides where to spend the money on research and development

Protons and neutrons are found within the nucleus of an atom

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20