Por favor necesito ayuda con esta tarea rápido tengo solo 20 minutos 1. Defina con sus propias palabras movimiento y caída libre.

2. Un objeto se deja caer desde una altura de 12 m. Determinar:

Las ecuaciones de movimiento.
El tiempo que tarde en caer el objeto.
Velocidad antes de tocar el suelo

3. Defina con sus propias palabras, que es el movimiento y la mecánica, de
ejemplo con ilustración..

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

explanation:

wheres the pic