Which law represents a balanced chemical equation? avogadro’s hypothesis, ideal gas law, law of conservation of mass, newton’s first law of motion, newton’s second law of motion

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?