Which vector below represents the direction of the velocity vector when the object in circular motion is located at point B on the circle? (Assume a CW direction of motion)

A) a
B) b
C) c
D) d

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

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

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.