A un bloque se le imparte una velocidad inicial de 12m/s en su trayectoria hacia abajo ¿Cuál será su velocidad final, después de caer una distancia de 60m? 1) 45.2 m/s
2) 36.45 m/s
3) 42.3 m/s
4) 36.34 m/s

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

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

What is the measurement of how fast an object moves relative to a reference point?