Cual es el propósito del ser desde su creación

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Select the three ways that the parallel-plate capacitor differs from a car battery.