Question

A small particle of mass m moving inside a heavy hollow and straight tube along the tube axis undergoes elastic collisions at the end of the tubes, the tube has no friction and it is closed at one side .



Guess the song
But there's a hope that's waiting for you in the dark
You should know you're beautiful just the way you are
And you don't have to change a thing
The world could change its heart
No scars to your beautiful
We're stars and we're beautiful
Oh-oh-oh-oh
Oh-oh-oh-oh
And you don't have to change a thing
The world could change its heart​

Answer 1

Answer:

I know this song

Scars to your beautiful

by alessia cara

Explanation:

Hope I am right

Answer 2

Answer:

I think the song is ( Life goes on)

hope it helps