Astudent jumps straight up from a diving board that is 3.1 m above the water and hits the water 2.4 seconds later. with what velocity did the student jump?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.