If A (cross-sectional area of the tibia) ~ 2.8 cm2, compute how far a 79 kg person can fall and land stiff-legged on both legs without breaking a bone. Assume F is split evenly between two legs. Please express your answers with 1 decimal place.

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared