If the star alpha centauri were moved to a distance 10 times farther than it is now, its parallax angle would

decrease by a factor 10

Explanation:

The parallax angle of a close star is given by

where

p is the parallax angle

d is the distance of the star from Earth, in parsecs

From the formula we see that the parallax angle is inversely proportional to the distance.

In this problem, the distance of the star is increased by a factor 10:

d' = 10 d

so the new parallax angle would be

So, the parallax angle would decrease by a factor 10.

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table