Which of the following statements is evidence supporting the Big Bang Theory O a. There is no evidence to support the Big Bang Theory
O b. Planetesimals crashed into each other forming planets
O c. The Universe was created from a Singularity
O d. Doppler shift (red shift) has been observed in the galaxies

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?

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

How to calculate voltage drop in a series circuit