A 1kg rock is held in place by against the inside wall of the rotating drum. The radius of the drum is 0.2 meters and the period of the drum is 15. The angular momentum of the rock is

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.

Using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.