2. After falling for some time, you awake and discover that you have a horizontal velocity of 42 m/s to the East and a vertical velocity of 156
m/s downward.
Before checking to see if you are wearing a parachute, you decide to
calculate your velocity (magnitude and direction). What is it?

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

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b. w c. v d. u