Describe how Heinrich Hertz showed waves acting as particles. include in your description the effect of frequency and intensity. A lot of points because it a big one no bs or I will report.

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel