Which model could represent a neutral atom of oxygen? 2
3
A. 4
B. 2
C. 3
D. D. 1

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

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?