Question

help

Answer 1

This problem depends on the theory that says: faster and lighter reaches first and reaches further.

Answer 2

Let's choose the lightest rocker, user123.

Answer 3

@user123

Answer 4

Are you there?

Answer 5

seems you are not here, or you did not understand.

Answer 6

@3mar I am here now. the lightest is 500g

Answer 7

Use the formula\[h(t)=h(0)+v _{0}t+\frac{ 1 }{ 2 }a t^2.\]
Think: what is the value of "a" here?

Answer 8

I do not know

Answer 9

What even is that formula @mathmale

Answer 10

that formula given by mathmale is the formula that will let you know of the height that the rocket will reach in the air (maximum height) and it is generally known that at the maximum height the rocket or any other subject would float for awhile means that the velocity will be ZERO at that time
and you may find all that in the formula posted by Mathmale