A sound source (f= 880 Hz) travels in a circle with a radius of 1.59 m. It goes around
once every 2.5 seconds. What is the high and low frequency heard by an observer standing outside
the circle? What frequency is heard by a person at the center of the circle?

Wavelength divides in half and speed stays the same.

Drink a pepsi cherry iced fruit shoot apple juice milkshake mocktail

The sunlight shines uv radiation on earth,a microwave oven radiates waves on food

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.