Many college freshmen describe themselves as pre-med, but a very small percentage of these freshmen will ever attend medical school. After the first course in biology or chemistry, many decide to major in something other than the natural sciences. Which of the twelve principles is at work here?

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative