What frequency is received by a standing person watching an oncoming ambulance moving at 30.0m/s and emitting a steady 950. Hz sound from its siren? The speed of sound on this day is 340. m/s. * ​

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

What is a possible result of higher air temperature caused by global warming

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic