URGENT
10 Haiku-uri despre iarna, va rog. Repede!!!

こんにちは， 皆様、このサイトであまり日本語のpostを見つからなくて、もし質問があ ったら、ぜひcommentに聞いてください。 hello, i couldn't really find any posts on this site about japanese. but if you have any questions about japanese, feel free to ask me down below in the comments/replies. have fun learning !

Atrajectory has an initial velocity of 1,000 meters per second, and 5 seconds later, it has a velocity of 500 meters per second. which is the acceleration of the trajectory?

Identify the structure of the human heart which is a muscular chamber that pumps blood out of the heart and into the circulatory system.