Drag the observer onto the road. Click Play, and then click Pause when the sound waves first reach the observer. What is the frequency of sound waves in front of the plane?

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

are there options? cause you ain’t. real specific

massxgravity x heght=weightxheight= pe

4900=490xh

h=10

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas