Write a scientific explanation how the position of an object affects the amount of potential energy the object possesses

Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?

Many science fiction movies and tv shows have detected using a nuclear weapon to destroy astroids what problems does plait see with this plan

Which phenomena are transmissions of light? refraction, polarization, and scattering polarization, scattering, and reflection reflection, refraction, and absorption scattering, absorption, and refraction