- 6

- 0

## Main Question or Discussion Point

i need some help here, say if there's a ship, no matter how it steers, it will always end up at the starting point, becauses it is in a new dimension, but how do i go about explaining it? thanks!

- Thread starter lovegood
- Start date

- 6

- 0

i need some help here, say if there's a ship, no matter how it steers, it will always end up at the starting point, becauses it is in a new dimension, but how do i go about explaining it? thanks!

- 6

- 0

how do i use space-time diagram to explain that the displacement is zero?

HallsofIvy

Science Advisor

Homework Helper

- 41,738

- 897

What do you MEAN by "in a new dimension"?

- 6

- 0

as in fourth dimension?

HallsofIvy

Science Advisor

Homework Helper

- 41,738

- 897

Then how does a spaceship "move into the fourth dimension"?

tiny-tim

Science Advisor

Homework Helper

- 25,789

- 249

Hi lovegood! Welcome to PF!how do i use space-time diagram to explain that the displacement is zero?

If your fourth dimension is time, then the ship

Or am I misunderstanding you?

- 693

- 7

unless its near a naked singularity and in a closed time loop :tongue2:Hi lovegood! Welcome to PF!

If your fourth dimension is time, then the shipcan'treturn to its starting-point … because, on the space-time diagram, the ship must always be goingup.

Or am I misunderstanding you?

- 144

- 0

- Replies
- 6

- Views
- 599

- Last Post

- Replies
- 12

- Views
- 2K

- Last Post

- Replies
- 5

- Views
- 2K

- Replies
- 7

- Views
- 3K

- Last Post

- Replies
- 24

- Views
- 3K

- Replies
- 31

- Views
- 1K

- Last Post

- Replies
- 12

- Views
- 1K

- Last Post

- Replies
- 9

- Views
- 1K