The volume of 1 kg of helium in a piston–cylinder device is initially 5 m3. now helium is compressed to 2 m3 while its pressure is maintained constant at 130 kpa. determine the initial and final temperatures of helium as well as the work required to compress it, in kj. the gas constant of helium is r = 2.0769 kj/kg·k.

Date chapter motion and speed review part a. vocabulary review directions: write the terms that match each description below in thes complete the sentence in number 13. ich each description below in the spaces provided. the boxed letters will 1. equal forces acting in opposite directions (2 words) 2. occurs when an object's velocity decreases (2 words) 3. sum of all forces acting on an object (2 words) 4. total distance divided by total time (2 words) 5. name for the slant of a line on a graph 6. distance divided by time 7. a push or a pull exerted on a body or object 8. distance and direction of an object from its starting point 9. tendency to resist change in motion 10. measure of how far an object has moved 11. speed and direction of motion 12. rate of change of position at a specific point in time (2 words) 13. the rate of change in velocity is called motion and spe

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?