f Angharad does not want to hear beats, how fast and in which direction should she run so that the frequencies she hears from the two bagpipers are the same

What’s the kinetic energy of the object? use . erica is competing in the shot put event at a track meet. she hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. the shot’s kinetic energy is joules.

|| communications satellites are placed in circular orbits where they stay directly over a fixed point on the equator as the earth rotates. these are called geosynchronous orbits. the altitude of a geosynchronous orbit is 3.58 * 107 m (22,000 miles). a. what is the period of a satellite in a geosynchronous orbit

The wavelength range of the visible spectrum is approximately 400 nm−700 nm. white light falls at normal incidence on a diffraction grating that has 350 slits/mm.