What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass

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

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

If a balloon is taken outside on a very cold day, what will occur?