A 0.2kg apple on an apple tree has a potential energy of 10J. It falls to the ground, converting all of its PE to kinetic energy. What is the velocity of the apple just before it hits the ground? a. 0m/s
b. 2m/s
c. 10m/s
d. 50m/s

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Being able to see a square in the middle of the image despite not having lines to form a square represents the gestalt principle of a. proximity b. similarity c. closure d. continuity

Make a drawing of the electric field lines around a positive charge, then make a second drawing of the electric field lines around a negative charge.