Question

A hiker is on top of a tall cliff when he throws his cell phone off the edge in anger. If he throws his cell phone with an initial speed of 5 m/s, where is his phone (both xf and yf) after 3.5 seconds have passed?

Answer 1

Answer:

When the medium is dense, the molecules in the medium are closely packed which means that the sound travels faster. Therefore, the speed of sound increases as the density of the medium increases.