While standing on the sidewalk, you are passed by an ambulanceat 20,00 m/s, . The ambulance's siren produces a tone at a frequency of 9500 speed sound air is 343.0 m/s. What frequency do you hear as the ambulance approaches youWhat frequency do you hear the ambulance moves away from you?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

How can you increase the strength of an electromagnet?