Question

A spaceship leaves Earth at 0.92c and travels 6.4 × 109 m as measured from Earth. What is the relativistic factor, γ, for the spaceship? How long does the trip take in seconds when measured by an observer aboard the spaceship? How far does the spaceship travel in meters according to an observer aboard the spaceship?

Answer #1

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Sam is on a spaceship that travels from Earth to Proxima
Centauri at 70% the speed of light, or 0.7c, relative to Earth.
Erma is an observer on Earth. From Sam's perspective, 1.35 x
108 seconds passed between when the Earth was near him
and when Proxima Centauri is near him
First we consider velocity and time: How fast in m/s is Sam
moving as measured in the rest frame of the rocket?
How fast in m/s is Erma moving...

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Hint: you can enter the answer in terms of exponent i.e.
5.2e16.

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The distance from earth to the center of our galaxy is about
30,000 ly (1 ly = 1 light year = 9.47 × 1015 m), as measured by an
earth-based observer. A spaceship is to make this journey at a
speed of 0.9990c. According to a clock on board the spaceship, how
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(1 yr is equal to 3.16 × 107 s.)

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Interactive LearningWare 28.10 reviews the concepts that play
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Exercises
1. How is the image formed by the mirror different from the
lenses ?
Exercises: Problem Solving
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where an object is placed 12 cm. Find the image distance.??
2- A 2.8 cm diameter coin is placed 25 cm from a double concave
lens with focal length of -12 cm. Find the image distance and
diameter of the image??
3. An object that is 8 cm high...

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