Una bala de cañón se dispara horizontalmente con una velocidad de 120m/s, desde lo alto de un acantilado de 250m de altura, sobre el nivel de un lago, tal como se muestra en la figura.
me podrian ayudar es que no entiendo con procedimiento plis

a) Que tiempo tarda la bala en caer al agua

b) Cuál será la distancia horizontal que alcanza la bala

c) Que distancia horizontal ha alcanzado la bala al cabo de 5s.

d) Que distancia ha descendido la bala al cabo de 5s.

e) Respecto del punto de lanzamiento, que coordenadas tendrá la bala, después de 5s.

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

B) raising the temperature and reducing the volume of the gas.|-/