determina el valor de la velocidad media de un ciclista que está en la posición 100 m en un tiempo de 5s luego pasa por la posición 1300 m en un tiempo de 20 s

statement #3 on andre"s list is false.

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.