When an astronaut experiences weightlessness in deep outer space, is she at equilibrium? She may be stationary with respect to her spaceship, and at the same time traveling at a high speed with respect to the stars. Which law of motion offers explanation to this situation? Is she also massless?

When an astronaut experiences weightlessness in deep outer space, is she at equilibrium? She may be stationary with respect to her spaceship, and at the same time traveling at a high speed with respect to the stars. Which law of motion offers explanation to this situation? Is she also massless?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 58P: A spaceship at rest relative to a nearby star in interplanetary space has a total mass of 2.50 104...

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

When an astronaut experiences weightlessness in deep outer space, is she at equilibrium?

She may be stationary with respect to her spaceship, and at the same time traveling at a high speed with respect to the stars. Which law of motion offers explanation to this situation?
Is she also massless?

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