Rays of light incident on a lens and parallel to the principal axis of the lens coverage? a. in front of the lens. b. at the focal point of the lens. c. in back of the lens. d. at the center of curvature of the lens.

The variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. in part iii, you will be investigating the questionable baseball. use the drop-down menus to complete the sentences and identify the independent and dependent variables. in part iii, the independent variable, the one that is intentionally manipulated, is . in part iii, the dependent variable, the one that you measure the response in, is

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s