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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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Chapter
Section
BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

If a galaxy is 500 Mly away from us, how fast do we expect it to be moving and in what direction?

To determine

The velocity of galaxy.

Explanation

Given data:

Hubble constant is H0=20km/s/Mly.

Distance of galaxy is d=500Mly.

Formula used:

The velocity of galaxy is,

  v=H0d   ......... (1)

Calculation:

Substitute the given value in equation (1)

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