Distance Homework: Find the Distance Travelled by Starship

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Homework Help Overview

The problem involves a Federation starship using a tractor beam to pull a shuttlecraft from a distance of 11.0 km. The scenario includes the masses of both spacecraft and the force exerted by the tractor beam, with the initial condition that both are at rest. The main question is how far the starship moves while pulling the shuttlecraft aboard.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the implications of the center of mass of the two-ship system and question how it changes as the tractor beam is activated. There is also a consideration of action-reaction principles and the lack of specified details in the problem.

Discussion Status

Some participants are exploring the concept of center of mass and its relevance to the movement of both spacecraft. There is an ongoing dialogue about the assumptions made in the problem and the implications of the forces involved, but no consensus has been reached.

Contextual Notes

Participants note that the problem does not specify certain details, such as the initial positions of the center of mass or the exact distances each ship will travel during the interaction.

lvelar
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Homework Statement



A Federation starship ( 1.90×10^6 kg) uses its tractor beam to pull a shuttlecraft ( 2.00×10^4 kg) aboard from a distance of 11.0 km away. The tractor beam exerts a constant force of 4.0 x 10^4 N on the shuttlecraft. Both spacecraft are initially at rest.

How far does the starship move as it pulls the shuttlecraft aboard?
 
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lvelar said:

Homework Statement



A Federation starship ( 1.90×10^6 kg) uses its tractor beam to pull a shuttlecraft ( 2.00×10^4 kg) aboard from a distance of 11.0 km away. The tractor beam exerts a constant force of 4.0 x 10^4 N on the shuttlecraft. Both spacecraft are initially at rest.

How far does the starship move as it pulls the shuttlecraft aboard?

Where is the center of mass of the two ship system?
 
It didn't specify in the problem.
 
lvelar said:
It didn't specify in the problem.

Actually I was suggesting you figure it out.

When the tractor beam pulls the ship on board won't the center of mass then be in the middle of the mother ship?

By action reaction - no net external forces - how far each is before the tractor is switched on is how far they will travel then, right?
 

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