determinar el valor de la velocidad que lleva un cuerpo cuya masa es 3kg y su energia cinetica es de 400Joule

This is what they said in english if everyone was wondering

Explanation:

determine the value of the velocity carried by a body whose mass is 3kg and its kinetic energy is 400Joule

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!

option number c is the right answer.