Jumping in a moving box at constant speed and under acceleration

[tattushenoi]

What if I am enclosed in a big box which initially has some air. It starts moving at a uniform speed of xKmph. Now suddenly , suppose the box becomes a vacuum. and I jump at the same instant. WHat happens? Will I land at the same place wrt to the box or will I smash the back?

Now what about the same QN when the box is accelerating at 1 mps?

BOX can be a moving train but which is closed completely, so that vacuum can be attained.

 

[fss]

Good question. What do you think will happen? Why or why not?

 

[tattushenoi]

Well, I am a bit confused. Newtons Law says that I will land at the same place as I am also moving with the box. And for the second question I will be landing a good distance back.

But I am not sure about this as I am also getting a feeling that I won't be moving at the same speed of the box as there is no air to carry me at that speed. Please enlighten if you could.

 

[AlchemistK]

The box becoming a vacuum should not have any effect. If the box isn't accelerating you will land at the same spot.

But yes if the box is accelerated you won't land at the same spot.

 

[AlchemistK]

But I am not sure about this as I am also getting a feeling that I won't be moving at the same speed of the box as there is no air to carry me at that speed. Please enlighten if you could.

Is it the air that carries you at a speed?

 

[Danger]

What happened to me was divorce, but I suspect that your are using different terminology than I do...

 

[tattushenoi]

Is it the air that carries you at a speed?

I was not sure. But I was more inclined towards my first answer. So I thought why not get things clear. I hope you have it right.

Thanks.

 

[tattushenoi]

Now let me slightly modify the Question.

Suppose I am at the top of the box and not inside it and the height stretches to the atmospheric boundary.Now what happens if I jump considering the box is in uniform motion.

 

[AlchemistK]

If we assume that there is no wind or any air resistance of any type, you will still land on the box.

 

[tattushenoi]

Thought so. Thank You again.

 

[Danger]

Sorry for the flippancy, Tattoo. I'm merely trying to justify this damned badge that they gave me. Sometimes that requires being uncouth.