Cosmic radiation moves through space but is repelled around earth how would a field explain this

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

The two required components for a generator are

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.