Atube driven by a speaker displays resonances at 450 hz and 600 hz with no resonances in between. the fundamental frequency was found to be 150 hz. what are the boundary conditions on the tube?

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth’s center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Matter that emits no light at any wavelength is called