The frequency range of human hearing is: 5 points 50 hz ��� 5,000 hz 20 hz ��� 20,000 hz 5 hz ��� 15,000 hz 20 db ��� 20,000 db

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)