Una bolita A se lanza desde el suelo, verticalmente hacia arriba. En el mismo instante en que se lanza la bolita A, otra bolita, B, se deja caer libremente desde una altura de 100 m con relación al suelo. Ambas bolitas se cruzan 2,50 s después. a) Calcula el módulo de la velocidad inicial con que fue lanzada la bolita A.
b) Calcula a qué altura (respecto al suelo) se cruzan ambas bolitas.
c) Calcula la rapidez de la bolita B 0,50 s después de haber comenzado a caer.

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.