Al llegar a detenerse, un automóvil deja marcas de derrape de 92m de largo sobre una autopista. si se supone una desaceleración de 7 m/s, estime la rapidez del automóvil justo antes de frenar

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a magnitude of 7.0 × 10-6 c/m2. (a) what is the magnitude of the electric field within the cell membrane? (b) find the magnitude of the electric force that would be exerted on a potassium ion (k+; charge = +e) placed inside the membrane.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine